Infinity Kappa
Infinity Kappa
Kappa
Monitorsystem
Revision 1.0
6013.052
9036308
General
2 Notes 1
Function Description
1 Introduction 5
2 Computer Archictecture 5
I
Contents
Fault-Cause-Remedy
1 Introduction 45
3 Power Problems 45
Copyright reserved.
5 Fan Malfunction. 47
II
Contents
11 NBP 50
12 etCO2 Malfunction. 51
14 IBP Malfunctions. 52
20 Problem Report 55
21 Diagnostic/Error Messages 56
Kappa_IEC_ SMIVZ.fm 02.08.06
III
Kappa_IEC_ SMIVZ.fm 02.08.06
Copyright reserved.
Annex
Test List
Spare Parts
Contents
IV
General
1
2
Kappa General
CAUTION
A CAUTION statement provides important information about a potentially
hazardous situation which, if not avoided, may result in minor or moderate
injury to the user or patient or in damage to the equipment or other prop-
erty.
NOTE
A NOTE provides additional information intended to avoid inconvenience
during operation or servicing of the equipment.
Read each step in every procedure thoroughly before beginning any test.
Always use the proper tools and specified test equipment. If you deviate from
the instructions and/or recommendations in this Technical Documentation,
the equipment may operate improperly or unsafely, or the equipment could
be damaged.
Dräger recommends that only authentic Dräger repair parts be used for main-
tenance. Otherwise the correct functioning of the device maybe compro-
mised.
6013.052 1
General Kappa
NOTE
Unless otherwise stated, reference is made to laws, regulations or stan-
dards (as amended) applicable in the Federal Republic of Germany for
equipment used or serviced in Germany. Users or technicians in all other
countries must verify compliance with local laws or applicable international
standards.
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Function Description
3
4
Kappa Patient Monitor Function Description
1 Introduction The Kappa is a high-end single-board patient monitor. The board provides the
following parameters; 6 lead ECG, Respiration, two Temperatures, SpO2,
NBP, four IBPs, Cardiac Output, and two onboard 5 watt patient isolated ports
for additional parameters. It has connectors for external CRT, user interface,
audio, NBP pneumatic assembly, chart recorder, analog out, defib sync,
memory card, and Uarts. The board also contains the patient isolated front
ends.
2 Computer Archictec- Hardware architecture of the monitors is based on a dual processor design
ture using two Motorola MPC860s with onboard cache. The main processor is
responsible for graphics and communications, while the second processor is
dedicated to data acquisition and algorithm processing. A DSP subsystem
preprocesses the front end data.
There are three major bus structures within the system; MAIN processor bus,
FRONT END bus, and REMOTE COMM bus (see ). The buses operate at dif-
ferent speeds and efficiency. The FRONT END bus and REMOTE COMM
bus have multiple bus masters and common memory to allow exchange
between I/O devices.
The REMOTE COMM bus interfaces to the Advanced Comm Option. This
option includes the main circuit board from the IDS.
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2.1 Main Processor Bus The Main processor bus is a 32 bit data bus connecting the MPC860 to its
main bank of 16 meg DRAM memory. The Program for the monitor is stored
in 8 meg Flash memory and uploaded to DRAM during initialization. The
Copyright reserved.
DRAM is optimized for multiple word transfers allowing efficient cache fills.
This bus has an optional daughter card connector allowing expansion of the
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Function Description Kappa Patient Monitor
main memory space. The graphics controller is connected to this bus to allow
high bandwidth access to video memory. The bus has a max bandwidth of 40
megbytes/sec.
This bus also has an I/O space implemented in an FPGA. These functions
include audio, chart recorder interface, keypad and rotary knob interface, and
EEPROM. The EEPROM contains serial #’s, calibration constants and con-
figurations. The I/O space also includes the Bridge to the FRONT END bus
and a port to the REMOTE COMM bus. The Bridge to the FRONT END bus is
unidirectional. This means that the Main processor may read and write to the
FRONT END bus, but the Front end processor can not access the MAIN bus.
2.2 Front End Bus The Front End bus is a 32 bit data bus connecting the second MPC860 to its
main bank of 4 meg DRAM memory. The program for this processor is down-
loaded from the main processor during initialization. The DRAM is optimized
for multiple word transfers allowing efficient cache fills. Both processors con-
tain 512K of battery-backed SRAM for trend and other patient data storage.
Data is exchanged through the common memory. This bus has multiple bus
masters that include the following:
• Front End 860
• Main 860
• DSP DMA
• POD Comm DMA (a POD is a configured front end)
• DRAM Refresh
2.3 COMM Bus The COMM bus interfaces to a network controller and other local serial buses
including MIB, lGraphics, Gas Monitoring, and other peripherals. The host is
stalled until completion of all read operations, but is released after a write is
latched to be serialized.
2.4 Error Handling The hardware provides several circuits for error detection, error recovery, and
safety. The main processor bus, front end processor bus, and COMM bus
both have timeouts implemented with the arbiter to prevent a lock up of the
system. The main 860 and the Front End 860 are both protected with watch-
dog timers. If a timer expires, the system initiates a reset and restarts the
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The power supply is also monitored with a piezo alarm that sounds during
power up (for test) and power down. This is to alert the user that the monitor
has turned off. The piezo is also sounded continuously if the monitor does not
reset properly after a watchdog timer has expired and the computer has
halted.
The main unit has been designed as a single board computer used in the
SC7000. In addition to the main board there is a connector board that adds
the functionality of the SC8000 which is different from the SC7000. These
functions include Analog Out buffering, Sync buffering, power for the ISD, fan
control, and circuitry to convert the cartridge connector of the SC7000 to a
pod connector. The other functions of this board are identical to the SC7000
Copyright reserved.
connector board which include EEProm and a cable harness. The main
board has three main sections (see ) -- processor, power conversion, and
front end. Each section is shielded from the others.
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Kappa Patient Monitor Function Description
2.5.1 Processor Section The processor section contains all computer functions of the monitor. It con-
tains two MPC 860 processors, a VGA graphics controller, and a 2181 DSP.
All of these devices communicate using one large FPGA (field programmable
gate array) that is downloaded at initialization. The FPGA contains all custom
circuitry used in the computer, including the processor bridge, comm trans-
mitter, pod com DMA, DSP interface, NBP interface, and I/O interfaces for
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both processors. Configuration of the FPGA may be updated with the Soft-
ware through the memory card adapter.
2.5.2 Power Conversion Sec- The power conversion section operates on a DC input from +11 to +15 volts.
tion It switches between the power supply and the internal battery for the proper
power source, and generates all necessary dc voltages for the unit. It charges
and maintains the internal battery. This section also contains the patient isola-
tion for the two internal front ends as well as two general pod comm ports. It
also has the power control for the NBP pneumatics.
2.5.3 Front End Section The front end contains MultiMed and HemoMed circuitry. The MutiMed front
end provides the following parameters; 6-lead ECG, Respiration, Pulse Oxim-
etry, and Temperature. The NBP pressure transducer is also contained in this
Copyright reserved.
front end. The front end is based on a single 16 bit oversampling converter.
Oversampling allows for a reduction in anti-aliasing analog circuitry while
maintaining superior noise rejection. The HemoMed front end provides four
invasive pressures and Thermal Dilution Cardiac Output.
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Function Description Kappa Patient Monitor
2.5.4 Cooling System The cooling system for the main monitor uses a fan mounted on the rear of
the chassis. If the internal temperature of the circuit board exceeds 80° C the
monitor shuts down to prevent damage to the electronics. The monitor does
not restart until the temperature is below the shut off value.
2.5.5 Real Time Clock The Real Time Clock function is implemented with the EPSON-SEIKO
RTC4513 device, and is synchronized by the Central Station.
2.5.6 Non-volatile Memory The shared RAM and real time clock are provided with a lithium battery
Battery Backup and backup circuit to prevent corruption of this non-volatile memory during a
Power Reset power loss condition (both primary and battery power are lost). Note that the
battery used for non-volatile memory backup should not be confused with the
internal and external batteries used to provide power to the monitor base unit
when primary power is lost. Non-volatile memory lithium battery backup is
controlled by a power supervisory device that provides a power reset during
a power loss condition.
NOTE
No provisions have been made to recharge non-volatile memory backup
battery. Eventually (aprrox.10 years), battery must be replaced.
2.5.7 MPC 860 Communica- MPC 860 has an embedded communications processor capable of executing
tion Channels several protocols such as UART or Ethernet. The 860 communications chan-
nels are used as follows:
Main Processor
2.6 Interfaces
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2.6.1 Local Fixed Keys Inter- The monitor base unit has twelve fixed function keys and a fixed key dedi-
face cated as a power on/off switch. The power on/off switch is unique in that it is
not directly available via a status read command, but rather is input to the
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Kappa Patient Monitor Function Description
power supply subsystem interface, where the switch state is detected and
processed. Detection of a power off condition causes an interrupt to the host
processor.
2.6.2 Rotary Knob Interface The rotary knob is a 16 detent rotary knob. Each detent position indicates a
"click" clockwise or counter-clockwise. The change in detent position is
detected via a 2 bit quadrature code that changes value every time the rotary
knob is moved into a detent position. Also included in the rotary knob is a
push button switch that is operated by a press/release action. This switch is
used to select menu items on the screen.
2.6.3 Fast Analog Output The ANALOG OUT interface consists of two identical channels. Each ANA-
LOG OUT channel provides a 12 bit D/A function. The design uses a dual
DAC to produce the D/A conversion. The sampled analog data is then
passed through a 2 pole low pass filter. The analog output has a maximum
delay of 20 ms, and can be used for a defibrillator or balloon pump.
Separate Pacer Spike generation circuits for analog outputs 1 and 2 are pro-
vided.
2.6.4 HiFi Audible Alarm Inter- The Audible alarm interface consists of an FM synthesis and Audio DAC chip
face set. There is also power amplifier drive circuitry for the two speaker inter-
faces: the internal speaker located in the base unit and the speaker located
in the remote CRT. Circuitry has been included to provide a mechanism for
automatically generating an error tone when a watchdog failure occurs via
the piezo alarm ).
The chip is loaded with tone frequency, pitch, harmonics, and volume infor-
mation by the host processor, which controls the duration of the tone. The
audio DAC converts the received sampled tone data and produces a sampled
analog representation of the tone data.
2.6.5 LED/Status Interface Five LEDs provide information in the present Kappa configuration. Two are
dedicated to the front end processor, to the DSP, and two to the main proces-
sor.
2.6.6 QRS Sync Out Interface A QRS sync output is provided. The QRS SYNC OUTPUT is an open collec-
tor type output driver that is pulled up to +12 volts (active HIGH). The output
is initialized to Gnd on reset or power on.
This QRS signal is available via an external connector mounted on the main
PC board. High level = +6 V min (10 KW load), +12.6 V (no load); Low level
(no QRS) = 1 V @ 5ma.
2.6.7 Local Alarm Out Inter- A Local Alarm output is provided. This Local Alarm Output is an open collec-
Copyright reserved.
face tor type output driver that is pulled up to +12 volts. The output is initialized to
ground (0 volts) on reset or power on (active HIGH).
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Function Description Kappa Patient Monitor
The Local Alarm Out signal is available via an external connector mounted on
the main PC board.
2.6.8 Recorder Interface The recorder interface provides all of the necessary control, data and power
supply signals required to drive an external recorder. The interface consists of
current limited DC power and a UART with handshake signals. The UART is
implemented in the main processor FPGA to allow for an extended FIFO.
2.6.9 Serial EEPROMS Four serial EEPROM devices, which contain the Monitor serial number, Eth-
ernet address, NBP pneumatic characterization and calibration constants,
and monitor setups, are located on the connector I/O board. If the main pro-
cessor board is replaced the monitor will keep its set ups from these serial
EEPROMs.
Two EEPROMs can be written only at the factory, and contain the Monitor
serial number and Ethernet ID address. The other devices are writable by the
main processor and are changed during service menu setups. These devices
are used for the monitor as well as network setups, device compatibility, and
software feature locks.
2.7.1 Overview The Graphics Subsystem is based on a commercial VGA controller (see ),
and drives a CRT display from a local memory used to refresh the screen. It
uses a special video crystal which enables it to synchronize to most video
standards. The graphics chip is capable of running resolutions such as 800 x
600, when these displays are added to the monitor. The standard resolution
is set to 640 X 480.
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Kappa Patient Monitor Function Description
2.7.2 Functional Description The VGA subsystem is designed to optimize the Bitblit operation, which
allows for quick updates of the screen. This is accomplished by writing
images to non-viewable areas of video memory before they are needed and
copying them to the screen on demand. The copy function is performed by
the VGA controller.
2.7.3 Video Output The Graphics Subsystem provides output to a standard VGA monitor. The
CRT interface uses three 8 bit DACs for its three color outputs. The front
bezel interface is digital and contains 6 bits for each color.
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2.8 DSP System The monitor uses a DSP for preprocessing of oversampled data (see ). The
DSP is a specialized microprocessor that executes high speed repetitive
functions such as digital filters. The DSP acquires data from the incoming
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Function Description Kappa Patient Monitor
serial pod comm data streams. The data sent to the DSP is selected by the
control words in the pod com memory buffer. Typically only high acquisition
rate data is sent to the DSP.
The DSP has two other communication ports both of which can access the
internal 32Kword memory. The IDMA port is used to DMA data to and from
the common memory. Bus sizing logic converts the DSP 16 bit port to the 32
bit FRONT END bus. During initialization this path is used to download code
to the DSP. The main processor takes control of the DMA port during this
time. Once the system is operational the DSP takes control of the DMA con-
troller by using its I/O port. The I/O port is a dedicated 8 bit path into the main
FPGA, which allows the DSP access to the DSP DMA controller as well as
other internal FPGA registers, including analog out and QRS sync.
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Kappa Patient Monitor Function Description
2.9 POD COM Sub- A pod is a front end device that acquires data for a particular set of parame-
system ters. A pod may contain a processor and return preprocessed data or it may
provide raw A/D samples.
Refer to Figure 5.
2.9.1 Overview The pod com subsystem has four channels. Channel 1 is dedicated to the
two internal front ends; the MultiMed and HemoMed. Channel 2 is dedicated
to the slot on front for etCO2. This connector does not require patient isola-
tion and has higher power than the pod com connectors. Channels 3 and 4
are both used to communicate with external pods. They have full patient iso-
lation for both power and data.
2.9.2 Outputs
2.9.3 Error Handling The pod com channels provide error detection by performing CRC checks on
data in both directions. CRC errors are reported to the front end processor
through interrupts.
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Function Description Kappa Patient Monitor
Power Buss Most monitor loads are powered from a DC power buss, called VBUSS,
within the monitor. VBUSS powers the +3.3 VDC, +5.0 VDC, ±12 VDC,
+40 VDC and charger power converters. VBUSS also powers the external
pods, cartridge, strip recorder and backlight. The NBP pump and valves as
well as the internal multimed and hemomed front ends are powered from the
regulated +12 V supply.
Control and Load The switching of the VBUSS power inputs and the power converters is man-
Sequencing aged by the power supply gate array. This gate array controls the power on
and power off of the monitor, and the battery charging process. It also pro-
vides a safety timer for the NBP pneumatics, which are controlled by the main
processor FPGA.
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Logic circuits on the main gate array sequence the power to the Pods, Car-
tridges, and Recorder to reduce power on load transients.
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Kappa Patient Monitor Function Description
Power On / Off The monitor is normally switched on by the user pushing the On/Off button for
at least 1 second. (The monitor may switch on when the switch is pushed for
as short a time as 50 msec.)
The power down sequence may be initiated either by the user pushing the
on/off switch for at least 1 second or when the batteries are depleted. When
the power down sequence is initiated, the power conversion board control
logic generates an interrupt for the processor. 100 ms later, the power supply
shuts down. An immediate shutdown is initiated if a power fault occurs (such
as overvoltage).
Power Source Control Power for the monitor is provided by the internal power supply or internal bat-
tery.
Battery Charging The battery charger is a two-level constant voltage charger with a fixed cur-
rent limit and temperature compensated voltage levels. When the main power
comes on, the battery is fast charged at the high voltage until the current
drops below a specific threshold. Then the charger voltage drops to the lower
“float” voltage.
Indicator LEDs Two green LED indicators on the front bezel of the monitor indicate power
and charger status, as given in Table 1.
2.10.2 Power Mode Indication The source of power is indicated to the processor via the power mode bits, as
given in Table 2.
0 1 operating on battery
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Function Description Kappa Patient Monitor
2.10.3 Piezo Alarm The piezo alarm activates at power up, power down, and if a software watch-
dog is activated. At turn on, the software shuts the piezo off after two sec-
onds. The piezo functions are as indicated in Table 3.
Cause Duration
Turn on 2 seconds
Turn off >4 seconds, <10 seconds
Processor watchdog Continous (until sucessful reboot)
+5 V Undervoltage >4 seconds, <10 seconds
+3.3 V Undervoltage >4 seconds, < 10 seconds
2.10.4 Fault Protection Reverse polarity protection for the battery and the main power input are pro-
vided by shunt diodes and fuses on the connector board. There is also a fuse
in series with the battery harness. +5 V, +3.3 V, and +12 V supplies are pro-
vided with overvoltage protection.
The battery has a temperature sensor on the Connector I/O PC board that is
used to disable charge or discharge of the battery if the temperature is exces-
sive.
A temperature sensor in the power supply section of the main board shuts
down the power system if the board temperature is excessive.
2.10.5 External Pod Overload External pod current limit circuits are implemented as follows:
Protection
When an overload occurs, the load is switched off after the 0.2 second over-
load timeout. A retry occurs after 5 seconds.
2.10.6 Electrical Specifications The following specifications indicate the design limits of the power system
and do not relate to a present design configuration of the Kappa.
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Kappa Patient Monitor Function Description
2.11.1 Introduction The Front Bezel provides an interface to the various operator related func-
tions. The interface consists of circuitry and connectors that allow the main
processor to access all of the operator related functions.
2.11.2 Functional Description The front panel interface section of the Connector I/O PC board provides an
interface between the main board and the front bezel components. It is a
cable harness for these components and is unique in its construction. The
board provides for unit rotary knob input and keypad interface.
2.11.3 Local Rotary Knob/fixed The Kappa base unit has twelve fixed keys. An additional key is dedicated as
Keys Interface the power on/standby switch. The rotary knob interface provides a 2-bit
encoder output and also a rotary knob push button signal output. All of the
key/rotary knob signals are filtered. All of the keypad switches have pull-
downs except the power on/standby switch. Thus, the power switch signal
output from the front bezel is pulled up by the power switch interface located
in the power supply section.
2.11.4 Battery/power LED Inter- The battery LED is turned on or off via the associated LED control signal from
face the main board. The power LED is connected to +5 V. Both the battery and
power led's are green when turned on. The power and battery LED's have
been integrated into the membrane switch interface used for the fixed key
and power on/standby switch. The LED on/off control signals are provided by
the power supply.
2.12 MultiMed Front End The MutiMed front end section of the main board combines 6-lead ECG, 2-
lead respiration, temperature, and saturated oxygen data gathered by the
MultiMed Pod from transducers at the patient and converts them to digital
form for transmission through isolators to the computer section of the main
board. This section also houses the NBP pressure transducer which uses the
same acquisition system.
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Function Description Kappa Patient Monitor
Single cable from MultiMed Pod to Kappa reduces clutter between bed and
monitor.
2.13 Functional Descrip- Transducers gather physiological data at the patient and feed them into the
Copyright reserved.
tion small MultiMed Pod at the bed. The MultiMed Pod in turn is connected via a
3-meter cable to the MultiMed front end in the main unit where analog ECG,
Respiration, Temperature, and SpO2 signals are converted to digital form and
sent through isolators for processing.
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Kappa Patient Monitor Function Description
2.13.1 ECG/Resp The MultiMed Pod located close to the patient accepts a set of 3, 5 or 6
shielded ECG electrode leads, an SpO2 (Nellcor) cable adapter, and a tem-
perature sensor. The ECG section contains RF filters, and overvoltage
clamps that include 1k series resistors to limit shunting of defibrillator current.
The SpO2 and temperature sections also contain RF filters. Impedance respi-
ration is sensed through the ECG electodes. Void-free potting and internal
shielding enable compact containment of high voltage defibrillator and elec-
trosurgery pulses. The small interconnecting cable to the main assembly is
captive at the MultiMed POD but plugs into the MultiMed front end via a spe-
cially shielded connector.
The front end accepts physiological signals from the MultiMed POD connec-
tor and feeds temperature, respiration, and ECG signals via RF filters, config-
uration multiplexers, and pre-amplifiers to a high-speed multiplexer driving a
16-bit analog-to-digital (A/D) converter. The data stream is sent to the Main
Processor board via an opto-isolator. Control commands from the Processor
are sent out to the front end on a similar isolating link. Isolated DC power is
also provided.
The ECG signals are conductively coupled to the isolated circuits via current-
limiting series resistors, whereas the SpO2 signals are optically isolated at
the transducer. Temperature signals are doubly insulated at the patient by
disposable boots on the sensors. AC (40 kHz) excitation currents for respira-
tion monotoring are dc-isolated by high-voltage ceramic capacitors.
Parameter # of Channels
ECG 4
Pace 2
SpO2 Red 1
SpO2 IR 1
NBP 1
Resp 1
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Temp 2
The pace signal samples are used directly by the DSP to detect pace pulses.
All other signals are decimated and filtered using digital signal processing to
the above specifications. Additional filtering is user selectable and invokes
additional digital signal processing in the computer section of the board. The
high oversampling rate is required to minimize the requirements (and size) of
the analog anti alias filters. Superior rejection to ESU and other types of inter-
ference is achieved with this type of design.
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Function Description Kappa Patient Monitor
The Wilson point, "W", the average of the LA, RA, and LL electrode poten-
tials, serves as the negative reference potential for the V and V' lead-pairs
and is also used as a measure of the common-mode potential of the patient.
By driving the isolated common of the front end at the same potential as the
Wilson point, the common-mode voltage across the electrodes is reduced
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nearly to zero and the effective common-mode rejection is improved. As most
of the common-mode current is now forced through the neutral electrode, it
becomes noisier and hence is not used as part of another signal path.
Switches are provided to select other electrodes to be neutral if the RL elec-
trode is off or missing. If the V' electrode is present, then it can be selected to
be neutral so that the three Einthoven and the V lead pairs can still be used.
However, the V' lead-pair will be corrupted due to neutral current noise. Simi-
larly the V electrode can be selected to be neutral. Now that the RL is discon-
nected from the neutral driver, its potential can be monitored to determine
whether it has been reconnected to the patient and thus is able to be rese-
lected to be neutral.
If only the three Einthoven (LA, RA, and LL) electrodes are connected, one is
selected as neutral leaving the remaining two electrodes to form one valid
Copyright reserved.
lead-pair. The "W" now contains the neutral drive signal which bypasses the
neutral electrode and reduces the gain of the neutral driver amplifier. To
improve the resulting poor common-mode rejection, a Wilson Grounding
"WG" switch is activated to selectively disable the offending input to the "W".
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Kappa Patient Monitor Function Description
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Function Description Kappa Patient Monitor
2.13.3 SpO2 Determination of the concentration of oxygen in the blood depends on the
principle that the absorption of red (R) light depends on the degree of oxy-
genation of the blood, whereas the absorption of infrared (IR) radiation is
independent of oxygenation and causes only constant attenuation. Refer to
Figure 11. In the SpO2 sensor, R and IR emitting leds are alternately pulsed
on at a 25% duty cycle. The intensity of light (including ambient) transmitted
through or scattered by the blood is converted to a current by a photodiode in
the sensor. The current that appears when both leds are off depends mainly
on the ambient light. This ambient contribution is later subtracted to leave Revision 1_ Released_Printed on_02.08.06_F6013052_Kappa_Function_Description.fm
only the R or IR signal levels. The large dynamic range of the light intensities
requires constant automatic monitoring and adjustment.
The calibration of each sensor is coded into the value of a precision resistor
built into the sensor. The value of this resistor is sensed by forming a voltage
divider. The value of the resistor ratio is read by a separate A/D input, and out
of range values are interpreted as “sensor unplugged.”
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Kappa Patient Monitor Function Description
2.14 Communications The multiplexers and A/D are controlled by the Main Processor via a
Manchester-encoded serial communications channel (Pod Com) optically
coupled to the isolated front end. Most of the digital logic is contained in the
MultiMed FPGA. Outputs from the A/D are Manchester-encoded in the Mul-
tiMed FPGA and fed to the opto-coupled data flow to the Main Processor.
A power-on monitor resets the FPGA until both ±5 V have risen to normal
range. The isolated dc-dc converters are synchronized to the data acquisition
sequence via the Main Processor FPGA. The A/D converter is automatically
calibrated after the power-on reset is cleared.
2.15.1 Introduction The NBP design measures blood pressure non-invasively using an inflatable
cuff and the oscillometric method. The NBP algorithms are performed in the
front end processor. The NBP circuit contains two pressure transducers
which measure the hose pressure. The second redundant pressure sensor is
used to measure overpressure for safety. This pressure transducer is
mounted in the power section while the other pressure transducer is mounted
in the MultiMed front end. A plastic manifold connects the two transducers
together and to the pneumatic assembly in the rear case. The MultiMed front
end A/D samples the pressure transducer.
Copyright reserved.
2.15.2 Pneumatic Subassembly The pneumatic subassembly consists of two modulating solenoid valves (V1,
V2), a pump (P1), a filter, and a manifold. The manifold provides the inter-
connection of the air passages between the individual components and pro-
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Function Description Kappa Patient Monitor
P1 provides the pressurized air to inflate the blood pressure cuff. V1 and V2
are used to control the air flow during the de-flation phase of a blood pressure
measurement. V1 is a normally closed exhaust valve with a relatively small
orifice. V2 is a normally open exhaust valve with a comparatively large orifice.
After the inflation, there is a short delay after the pump stops to allow thermal
transients to settle. Either V1 or V2 is now modulated to control the deflation
rate. The choice of V1 or V2 and the initial pulse width is made based on the
inflation cycle. The chosen valve is modulated and the pulse width (open
time) is continuously adjusted to provide a constant deflation rate. If initial
deflation was started with V1 the software may determine that it needs to
switch to V2 to maintain proper deflation. In any case when the measurement
cycle is complete, V2 is opened fully (de-energized) to allow for rapid defla-
tion.
2.15.3 Transducers The measurement pressure transducer is DC coupled to a 16 bit A/D con-
verter so that cuff pressure is measured with adequate resolution to detect
blood pressure pulses.
The overpressure transducer has two threshold settings. The adult setting is
300 ±30 mmHg and the nominal neonatal setting is 158 ±7 mmHg. Both
transducers share a common manifold and are mounted on the main PC
board.
P1 and V2 are supplied by a redundant power switch so that, under fault con-
ditions, they can be de-energized.
Copyright reserved.
2.15.5 Safety timer The software limits measurement time to 119 secs for adult mode, 89 secs for
neonatal mode and 59 secs for French neonatal mode. A safety timer circuit
monitors current in P1 and V2, and if due to some failure (hardware or soft-
ware), P1 or V2 remain activated for more than 120±1 seconds in adult
24 6013.052
Kappa Patient Monitor Function Description
mode, 90±1 seconds for neonatal mode or 60±1 seconds in French neonatal
mode, the circuit latches on, causing the redundant power switch to P1 and
V2 to switch off. When the safety timer latch has been set, V1 is opened as
an additional safety feature. Only recycling the monitor resets the safety timer
latch. The safety timer circuit is functionally independent of the logic gate
array.
When the unit is powered up, the safety timer is de-activated until the pump is
started the first time. This feature allows service calibration without triggering
the safety timer. Once the pump has been activated the timer circuit becomes
functional.
2.15.6 Logic gate array The main FPGA provides the following control functions for the pneumatics
and the communications.
• Clock generation for safety timer
• 12 bit 20 Hz PWM and pulse control for V1 and V2
• Pump control
• Neonatal mode switching of pump and overpressure
• Safety logic
2.15.7 Non-volatile memory A EEPROM stores pneumatic component flow factors. During calibration at
production system test and in the field, a 0.5 liter canister is connected to the
NBP input on the monitor. The monitor automatically measures the pump and
valve flow rates and determines their flow factors for the use in the flow con-
trol algorithm.
2.15.8 Hose detection An electromagnetic coil located at the hose connector detects the metal in the
hose connector when the connector is present.
2.15.9 Watchdog Timer A watchdog timer is implemented in the power conversion FPGA to monitor
the safety timer clock input from the main FPGA in case the main FPGA or its
crystal become damaged.
Revision 1_ Released_Printed on_02.08.06_F6013052_Kappa_Function_Description.fm
Copyright reserved.
6013.052 25
Function Description Kappa Patient Monitor
2.16.1 Introduction Refer to Figure 13. The HemoMed front end section of the monitor’s main
board takes invasive blood pressure, and thermal dilution cardiac output data
gathered by the HemoMed Pod from transducers at the patient and converts
them to digital form for transmission through isolators to the computer section
of the main board. The HemoMed front end may also be used with a single or
dual pressure cable instead of using the HemoMed.
Pressure The pressure data acquisition front end is designed to operate with resistive
strain gage pressure transducers having an output impedance of less than
3000 Ohms and an input impedance between 3000 and 200 Ohms. Excita-
tion voltage is applied in pairs. Press 1 and 3 share a driver as well as Press Revision 1_ Released_Printed on_02.08.06_F6013052_Kappa_Function_Description.fm
2 and 4. The output signals generated from the pressure sensors are passed
through filter and clamp networks which limit and filter RF noise. The pres-
sure excitations are monitored for fault detection.
Cardiac Output The two thermistor signals are connected to a precision resistor network to
linearize voltage vs temp curve of the thermistor. The thermistor signals are
filtered and clamped before amplification. Two calibration voltages are also
sampled by the A/D converter to correct amplifier offset and gain errors. The
catheter also has a reference resistor which is read for calibration.
The front bezel switches on the HemoMed are converted to unique voltages
when pressed, allowing a voltage to be sent to the A/D converter, which can
be decoded by the front end processor into the corresponding switch closure.
Copyright reserved.
26 6013.052
Kappa Patient Monitor Function Description
2.17 etCO2 Pod The etCO2 pod non-invasively monitors end-tidal CO2 using a technique that
relies on the selective absorption properties of the CO2 to specific frequen-
cies of infra-red radiation. See Figure 14.
The pod then sends the results to the host system for further processing and
display.
6013.052 27
Function Description Kappa Patient Monitor
PROM stores the pod's program. Its contents remain intact even when power
is removed from the pod. It has been socketed to allow for future program
updates, if required. Besides containing the pod's program, it also contains
various look-up tables for calculating CO2 parameters and the Interrupt Vec-
tor Table.
The system's Static RAM functions as a scratch pad to temporarily hold vari-
ous system variables until they are either no longer needed by the system
and are overwritten with new information, or power is removed from the pod
and the RAM contents are lost.
A Supervisor chip performs various monitoring tasks to ensure that the micro-
processor and system run properly.
2.17.2 User Interface The user interface provides capability for airway and adapter calibration, and
also compensation for effects of N2O and O2. When calibrating the acces-
sory assembly, switches inside the sensor, one for the Zero Cell and one for
the Span Cell, tell the processor when the assembly has been placed on the
proper cell for system calibration.
28 6013.052
Kappa Patient Monitor Function Description
2.18.1 Functional Description HEMO 2/4 PODs have provisions for monitoring either 2 or 4 invasive blood
pressures, 2 temperatures and cardiac output. See Figure 15.
2.18.2 Pressure The pressure data acquisition front end is designed to operate with resistive
strain gage pressure transducers having an output impedance of less than
3000 Ohms and an input impedance between 3000 and 200 Ohms. Excita-
tion voltage is applied, one at a time, to each resistive strain gauge pressure
transducers by a single, current limited voltage reference circuit which is time-
multiplexed across four pressure sensors. The differential output signals gen-
erated by the pressure sensors are passed through filter and clamp networks
which limit the differential and common mode voltage swings and filter out RF
noise.
Next, the signals enter a functional block that converts the differential signals
into single ended signals which are then presented one at a time in a time-
multiplexed fashion to a fixed gain single ended amplifier. Calibration volt-
ages for zero and 200 mmHg are periodically switched into the amplifier input
to correct errors in amplifier offset and gain respectively.
2.18.3 IBP Each of two thermistors is connected to a functional block that consists of a
precision resistor network to partially linearize the voltage verses temperature
transfer curve of the thermistor. This functional block also consists of means
for filtering RF noise and limiting the voltage swing. A 4.5 Volt reference is
connected to power each linearization network.
A multiplexer selects one of the two temperatures or one of the two calibra-
tion points and connects the voltage to the input of a fixed gain amplifier. The
two calibration points are used to correct gain and offset errors in the ampli-
fier circuits.
An offset is added to center the signal within the dynamic range of the A/D
Copyright reserved.
converter. The signal is then further multiplexed with two power supply volt-
age monitors and Cardiac Output. A fixed gain of two is finally applied to
match the signal range to the full scale range of the A/D converter.
6013.052 29
Function Description Kappa Patient Monitor
2.18.4 Cardiac Output Cardiac output operates in much the same way as temperature. The ther-
mistor signals are filtered and clamped then multiplexed to the input of a fixed
gain amplifier. Two calibration voltages are also multiplexed in to correct
amplifier offset and gain errors.
Next, an offset is added to the signal to center it to the dynamic range of the
A/D converter. The amplified signal is then multiplexed with temperature, then
through a fixed gain of two and finally to the A/D converter.
2.18.5 EEPROM Storage Two EEPROM's are used for non-volatile information storage. One EEPROM
is used for reading and writing data that changes during the operation of the
POD, such as pressure offsets, the other stores more permanent information
such as POD serial number and is therefore write protected. A state machine
inside the logic gate array supports communications between the Host and
the two EEPROM's. A mechanism is provided which allows service personnel
to disable the write protection of the otherwise write protected EEPROM.
2.18.6 LCD and Push Buttons A total of 16 LCD characters are provided for use as pressure labels. Each
pressure channel is allocated 4 LCD characters. The Logic Gate Array sup-
ports communication of controll between the Host and the LCD's.
Up to three push buttons are provided for user interface. There is one for
pressure zero, one for Cardiac Output Start and one spare. The interface of
the buttons to the Host is handled by the gate array.
2.18.7 Current Limiting the Volt- In the event a defective pressure sensor presents a short circuit to the excita-
age Reference tion voltage source, the voltage source goes into current limit during the bad
transducer's time slot.
2.19 Advanced Comm The Kappa has been designed to function in standalone mode or in an Infinity
Option Network. It is not compatible with SIRENET.
2.19.1 Comm Option Board The major circuits include a high speed serial link to the Patient Monitor, con-
Hardware trol and status registers to the 68302 processor, and miscellaneous functions.
The serial link functions as a bus master on the local bus. The 68302 per-
forms bus arbitration. The registers and miscellaneous functions are slave Revision 1_ Released_Printed on_02.08.06_F6013052_Kappa_Function_Description.fm
2.19.2 EEPROMs The Comm Option PC board contains SERIAL EEPROMs which are pro-
grammed in the factory with various configuration parameters. One contains
factory-programmed field service data and is read-only in the field. A second
EEPROM is field-programmable and contains various configuration parame-
ters.
Copyright reserved.
30 6013.052
Schematics and Diagrams
31
32
Kappa Patient Monitor Schematics and Diagrams
6013.052 33
Schematics and Diagrams Kappa Patient Monitor
8 +IBP3
9 +IBP4
10 TINJ
34 6013.052
Kappa Patient Monitor Schematics and Diagrams
2 TX-
3 RX+
6013.052 35
Schematics and Diagrams Kappa Patient Monitor
36 6013.052
Kappa Patient Monitor Schematics and Diagrams
6013.052 37
Schematics and Diagrams Kappa Patient Monitor
Table 8 Remote Alarm Cable Connector Pinouts and Wire Color Code
Connector Pin No. Relay Input Wire Color SPDT Relay Output Circuit Status
1 TAN Brown RTN
2 - 8, 10 - 14 NC Green Inactive Open
9 ORANGE White Inactive Closed
Connector Pin Wire Color Function Connector Pin Wire Color Function
No. No.
1 TAN NC 8 BROWN NC
2 WHITE NC 9 ORANGE NC
3 BLACK NC 10 GREY NC
4 RED NC 11 VIOLET NC
5 GREEN NC 12 PINK CHAN 1 ANLG
6 YELLOW CHAN 2 RTN 13 LT BLUE CHAN 1 RTN
7 BLUE CHAN 2 ANLG 14 LT GREEN NC
38 6013.052
Kappa Patient Monitor Schematics and Diagrams
1 SRC-
2 SRC+
3 EE CS
6013.052 39
Schematics and Diagrams Kappa Patient Monitor
40 6013.052
Kappa Patient Monitor Schematics and Diagrams
3 -EXCIT 8 GND
4 Cable In 9
5 -SIGNAL 0
Copyright reserved.
6013.052 41
42
Schematics and Diagrams
Kappa Patient Monitor
6013.052
Copyright reserved.
Revision 1_ Released_Printed on_02.08.06_S6013052_Kappa_Schematics_and_Diagrams.fm
Fault-Cause-Remedy
43
44
Kappa Patient Monitor Fault-Cause-Remedy
Kappa monitoring system devices consist of the Base Unit, and peripheral
devices including the R50 Recorder, etCO2 Pod, MultiMed or MultiMed 12
Pod, HEMO or HemoMed Pod, and VGA Display.
2 Recommended Use the specified, recommended tools and test equipment, or a known equiv-
Tools and Test alent, when troubleshooting Kappa monitors and peripheral equipment. Sub-
Equipment stitutions are approved only if an equivalent is listed. Use of other test
equipment and/or accessories could result in inconclusive tests or damage to
system components
3 Power Problems Before troubleshooting power problems, keep in mind that fuses are used to
protect delicate circuits from potentially harmful currents. Replacement of a
Copyright reserved.
fuse may provide only a temporary solution and may not remove the source
of the fault. Never replace a fuse with other than what is specified.
6013.052 45
Fault-Cause-Remedy Kappa Patient Monitor
46 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
Connector I/O PCB malfunction 3. If problem persists, contact your Dräger Medi-
cal service representative.
Main Processor PCB malfunction
Areas of display missing or Connector I/O PCB malfunction Contact your Dräger Medical service representa-
color contaminated tive.
Copyright reserved.
6013.052 47
Fault-Cause-Remedy Kappa Patient Monitor
8 Isolating Cable Mal- In general, the troubleshooting and repair approach for cable malfunctions is
functions to use a known input signal for any given parameter, and then replace a cable
or sensor found to be malfunctioning. Cable malfunctions, including those
associated with connectors on the cables, generally fall into one of three
cagegories -- Open circuits, Short circuits, and Intermittent conditions
Open circuits and short circuits manifest themselves as a loss of signal. Soft-
ware in the Monitor senses the loss, and generates an error message such
as “ECG Leads Off” and “SpO2 Transparent.” Typically, short circuits result in
software resets.
9 Visible or Audible
Alarm Reporting
Failure.
Table 10 Alarm Malfunctions
10 MultiMed POD -
Parameter Signal
Problems
Table 11 Parameter Signal Problems
48 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
break in cable waveform while you flex lead and cable, par-
ticularly at sensor, at connectors, and at Mul-
MultiMed POD malfunction tiMed POD.
2. Watch for distinct change in waveform (dis-
Main Processor PCB malfunction tinctly different from artifact) as you flex along
length of cables as well as at sensor and con-
nectors.
3. Replace defective sensor, cable or MultiMed
POD.
4. If problem persists, contact your Dräger Medi-
cal service representative.
Copyright reserved.
6013.052 49
Fault-Cause-Remedy Kappa Patient Monitor
11 NBP
NBP Blocked Line Result of the NBP measurement circuit detecting an occlusion on the line to
the patient, or a neonatal cuff with monitor in adult mode.
NBP Cuff Deflation Error Result of the two minute NBP measurement timer expiring. It is typically trig-
gered when an NBP measurement had been taken prior to placing the unit in
calibration mode. (When calibrating, power-cycle monitor and then don’t run
pump until after calibration.)
NBP Artifact Result of erratic pressure values being sensed and could be related to an
application problem or could caused by an intermittent connection to the
sense line.
11.2 NBP Troubleshoot- Before attempting to troubleshoot NBP malfunctions, do the following:
ing
Revision 1_ Released_Printed on_02.08.06_R6013052_Kappa_IEC_Fault_Cause_Remedy.fm
1. Set up NBP Calibration assembly.
2. Perform leakage test on fixed volume and hose, and on system.
3. Check calibration.
NOTE
Refer to procedures in Noniinvasive Blood Pressure Section in Functional
Verification for procedures to set up NBP Calibration assembly, perform
leakage test, and check NBP calibration.
NBP fails to zero prop- NBP pneumatic system malfunc- Contact your Dräger Medical service representa-
erly, or fails calibration tion tive.
check
Main Processor PCB malfunction
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Kappa Patient Monitor Fault-Cause-Remedy
12 etCO2 Malfunction.
Table 13 etCO2 Malfunctions
Persistent Adapter Fail- Airway adapter or sensor window 1. If adapter or sensor window occluded, clean
ure message occluded window.
2. If problem persists, replace airway adapter.
Airway adapter malfunction
3. If problem persists, replace sensor.
Sensor malfunction 4. If problem persists, replace etCO2 pod.
Copyright reserved.
6013.052 51
Fault-Cause-Remedy Kappa Patient Monitor
13 HEMO2/4 Pod /
HemoMed Pod
13.1 Readings Missing or Disruption in communications to an external pod is caused by the pod itself,
Inaccurate by a cable problem, or by a communication problem on the main processor
board. Power for an external pod is supplied from the main processor board
when the board senses that a load is present. If the monitor is not reporting
connection of a Hemo2/4 pod, 12-lead pod or tcpO2/CO2 pod, use the follow-
ing test to determine first whether or not the pod is being detected.
NOTE
Only the Hemo2/4 pod “communicates” with the monitor. The Hemo2/4
Pod is a digital device; the HemoMed Pod is analog.
Connect a 150W ¼W resistor between pins 1 and 3 on the suspect port, and
check monitor display for a pod connection error “DEVICE FAILURE ON
HEMO CONNECTOR x.”
• If no error message displays, the problem is on the main processor
board.
• If error message displays, problem may be in cable, pod, or main proces-
sor board. Replace defective cable or pod, as required. If problem per-
sists, contact your Dräger Medical service representative.
• If only one input or output on a HEMO2/4 or HemoMed Pod fails to func-
tion, try replacing the sensor or cable. If problem persists, replace the
Pod.
52 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
6013.052 53
Fault-Cause-Remedy Kappa Patient Monitor
17 Software Loading For problems concerning software downloads, refer to software installation
Problems instructions for version of software you are attempting to install.
54 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
19 Total or partial loss Temporary network communication losses are caused by either an inter-rup-
of network commu- tion with the Ethernet port on the main processor or in the network line.
nications
1. Verify that network configuration data in monitor are correct.
2. Contact your Dräger Medical service representative, if problem isolated to
monitor.
Enter all applicable data in the spaces provided, and include a copy of this
form when faxing a request for technical assistance.
Name of contact
Telephone
Fax
Device Type:
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Copyright reserved.
6013.052 55
Fault-Cause-Remedy Kappa Patient Monitor
21 Diagnostic/Error
Messages
21.1 Overview of Diag- The diagnostic codes given in the following Tables may appear in a Kappa
nostic Messages Diagnostic Log, and help in troubleshooting a malfunctioning Monitor. Both
possible cause and suggested remedial action are listed for the field-signifi-
cant codes.
Only codes for field-related procedures are given in the Table. There are also
a number of other diagnostic codes, not listed in the Table, that have signifi-
cance for engineering in helping to improve product performance. If
observed, report these codes to the factory. Download the Diagnostic Log to
a DataCard.
To access the Diagnostic Log, on the Main Menu select BIOMED, then DIAG.
LOG.
56 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
80007xxx Try upgrading SW to currently released version.
8000axxx
8000bxxx Software did not Try disabling items connected or disabling Auto
allocate enough Dual View.
8000cxxx memory for user’s
current setup. If error persists, contact your Dräger Medical
service representative.
800c9009 atten OOR = A cal fac- Speaker too quiet Replace speaker
tor = B
800c9022 cal factor=A Speaker broken Replace speaker
max_sample_value=B
800cd007 Loopback Active = A Hardware malfunc- Check “Nurse Call” circuit.
Expect Active =B tion in “nurse call”
circuit.
800d3xxx Cardiac Output- Try disconnecting/reconnecting cable.
related
800d4xxx If problem persists, swap cable with known-good
cable.
800d5xxx
If problem persists try swapping pod.
800d6xxx
If problem persists, contact your Dräger Medical
Revision 1_ Released_Printed on_02.08.06_R6013052_Kappa_IEC_Fault_Cause_Remedy.fm
service representative.
800d7xxx Temperature - related Try disconnecting/reconnecting cable.
(MultiMed Pod)
800d8xxx If problem persists, swap cable with known-good
cable.
6013.052 57
Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
800dbxxx etCO2 Pod - related Try swapping out airway adaptor with known-
good components.
800dcxxx
Try disconnecting/reconnecting cable.
58 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
800e7xxx SPO2 - related Try disconnecting/reconnecting cable.
HEMOMED - related
800f6xxx If problem persists, swap cable with known-good
cable.
tive.
80102xxx
6013.052 59
Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
80107xxx RESP-related Try disconnecting/reconnecting cable.
60 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
8014bxxx RECORDINGS - Try disconnecting/reconnecting cable.
related
8014cxxx If problem persists, swap cable with known-good
cable.
service representative.
8018d005 sn A, status B etCO2 Hardware Replace etCO2 Pod.
Fail
6013.052 61
Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
8018fxxx Try upgrading SW to currently released version.
80196006 Chip timed out at: A Flash memory Re-download software. If problem persists then
wrote: B, read: C failed tests when replace Main Processor Board Subassembly .
doing a download.
Bit one is always
on.
8019601d Flash program write Monitor flash failed Re-download software. If problem persists, con-
verify failed at A. tests when doing a tact your Dräger Medical service representative.
wrote: B, read: C download
8019700c time=A Heart blip not Ignore
showing; most
likely due to rapid
screen re-draws
80199xxx PCMCIA Interface - Retry download. If error persists, return card.
related
8019axxx
801ac00b Pod Type A Conn B, Pod would not Check/replace in this order pod/cartrige, cable,
S/N=C, event D state power on or off. Main Processor Board Subassembly.
E Connector number
in description string
are: 1,2,3-hemo
pod 4-reserved 5-
etCO2
801ac00c Pod Type A, Conn B, Comm error, CRC If problem persists, check connector or replace
S/N=C, event D state error pod
801b7000 ERROR: load_34010 34010 Failure Contact your Dräger Medical service representa-
tive.
801b7001 ERROR: load_34010 34010 Failure Contact your Dräger Medical service representa-
tive.
Copyright reserved.
62 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
801c9xxx RECORDINGS - Try disconnecting/reconnecting cable.
related
801caxxx If problem persists, swap cable with known-good
cable.
8020fxxx Software did not Try disabling items connected or disabling Auto
allocate enough Dual View.
80210xxx memory for user’s
current setup. If error persists, try upgrading SW to currently
released version.
service representative.
80231005 LCOM_BAD_SWITCH Comm error This indicates a SW error and should be
_COUNT_ERROR reported to Customer service via DataCard.
8023100a LCOM_CHECKSUM_ Comm error This indicates a SW error and should be
DIAG_ERROR reported to Customer service via DataCard.
8023102b LCOM_RAM_DIAG_E Net comm failure This indicates a SW error and should be
RROR reported to Customer service via DataCard.
8023102c LCOM_ROM_DIAG_E Net comm failure This indicates a SW error and should be
RROR reported to Customer service via DataCard.
8023102e LCOM_SHRAM_CHE Net comm failure This indicates a SW error and should be
CKSUM_ERROR reported to Customer service via DataCard.
80231030 LCOM_SHRAM_DIA Net comm failure This indicates a SW error and should be
Copyright reserved.
6013.052 63
Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
80231032 LCOM_SHRAM_PRL net comm failure This indicates a SW error and should be
_ERROR reported to Customer service via DataCard.
8023dxxx PCMCIA Interface - Retry download. If error persists, return card.
related
8023exxx
80249xxx
8024axxx
80255xxx Try upgrading SW to currently released version.
80264xxx
80264001 Invalid status after Recorder ASIC Power cycle unit. If error persists, contact your
RX_RESET! failed hardware test Dräger Medical service representative.
rx_data=A
80264002 TX Empty should be Recorder ASIC Power cycle unit. If error persists, contact your
set after TX_RESET! failed cold start test Dräger Medical service representative.
tx_data=A
8026dxxx Network Communica- Try disconnecting/reconnecting cable between
tions - related Monitor and network wallbox.
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Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
80273xxx NIBP - related Try disconnecting/reconnecting pneumatic tub-
ing.
80274xxx
If problem persists, contact your Dräger Medical
service representative.
8027dxxx Network Communica- Try disconnecting/reconnecting cable between
tions - related Monitor and network wallbox.
8027exxx
Verify proper SW version(s) installed in all
related devices, in accordance with SW compat-
ibility chart for Monitor SW.
802a2xxx
Copyright reserved.
6013.052 65
Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
802a3xxx QRS Sync pulse - Try disconnecting/reconnecting cable.
related
802a4xxx If problem persists, swap cable with known-good
cable.
66 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
802dfxxx SPO2 - related Try disconnecting/reconnecting cable.
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Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
80325001 Speaker Out of Range Failed speaker, If sound is heard replace Connector I/O Board.
value: A CPU board or front Otherwise, replace Main Processor Board Sub-
panel board assembly
80359xxx Network Communica- Try disconnecting/reconnecting cable between
tions - related Monitor and network wallbox.
8035axxx
Verify proper SW version(s) installed in all
related devices, in accordance with SW compat-
ibility chart for Monitor SW.
68 6013.052
Kappa Patient Monitor Fault-Cause-Remedy
xxx = any
alphanumeric
characters
80373xxx MIB - related Verify proper SW version(s) installed in all
related devices, in accordance with SW compat-
80374xxx ibility chart for Monitor SW.
keypad.
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Fault-Cause-Remedy Kappa Patient Monitor
xxx = any
alphanumeric
characters
803e5xxx SPO2 - related Try disconnecting/reconnecting cable.
70 6013.052
Annex
Spare Parts
Test List
Kappa Test List
Kappa Patient Monitor
Monitor System
Revision 1.0
6013.052
1 Introduction 1
4 Rotary Knob 3
5 Fixed Keys 3
6 ECG/RESP Functions 5
I
Contents
7 SpO2 Function 7
8 Temperature Function 8
10 etCO2 Function 11
11 HemoMed Pod 12
II
Contents
13 Leakage Tests 17
Copyright reserved.
III
IV
Contents
Copyright reserved.
Kappa_IEC_Test_ListIVZ.fm 02.08.06
Kappa Patient Monitor Test List
Functional Verification
Tests and Calibration
Checks
1 Introduction Calibration required for proper operation of Kappa Patient Monitors has been
programmed into the software for the monitor. Specific calibration and adjust-
ment procedures needed in routine operations of the monitor are detailed in
the User Guide for the installed software version, and are required to be per-
formed only when directed to do so by a message in the message field on the
monitor display.
NOTE
Calibration checks for NBP and Temperature should be performed by only
qualified personnel with the necessary equipment. Regulations in some
national jurisdictions may place specific requirements on who may perform
these functions.
Perform all functional verification procedures with the monitor off-line. Discon-
nect all patient parameter signal inputs from the monitor, and plug in signal
inputs from patient simulators and industry-standard test equipment only as
Revision 1_ Released_Printed on_02.08.06_P6013052_Kappa_IEC_Test_List.fm
If the monitor fails to perform as indicated for any specific function during
functional verification procedures, troubleshoot the monitor using procedures
in Fault and Remedy document and remedy the malfunction before attempt-
ing to complete functional verification.
2 Recommended Use specified recommended tools and test equipment given in Table 1 below,
Tools and Test or a known equivalent, when performing functional verification tests. Substitu-
Equipment tions are approved only if an equivalent is listed. Use of other test equipment
Copyright reserved.
6013.052 1
Test List Kappa Patient Monitor
Temperature simulator w/ test cable (2 cables req’d) DNI Medsim 300B or equivalent
Temperature Y Cable 55 92 154
SHP ACC TEMP ADPT CBL 1/4” JACK (2 req’d) 51 98 333
Leakage
Leakage Tester Bender µP-Safety Tester 601/751, or
equivalent
Output Cables:
Recorder ÷ Interface Plate or CPS/IDS 47 21 770
IDS (or equivalent CPS), unless Monitor used only in DirectNet mode 52 60 110
Copyright reserved.
*For functional verification and calibration check. An equivalent must be accurate to ±0.3 mmHg from 0 to
330 mmHg.
2 6013.052
Kappa Patient Monitor Test List
3 Power Circuits and The following procedures check the monitor’s power circuits, power-up
Start-up sequence, and power off indicator. Begin this procedure with the monitor
turned off and plugged into a hospital-grade power source.
3.1 Power ON/OFF 1. Press ON/OFF switch on front panel and verify that power LED in
ON/OFF key turns on.
2. Press and hold ON/OFF key for approximately two seconds.
3. Verify that high pitched piezo tone sounds briefly and power LED in
ON/OFF key turns off.
3.2 Power-Up Sequence 1. Press ON/OFF key and verify following sequence of events:
2. Power LED in ON/OFF key turns on.
3. Display illuminates briefly, monitor beeps, high-pitched piezo tone sounds
briefly, and Battery charger LED illuminates briefly.
4. After a few moments, during which display is NOT illuminated, monitor
sounds a chime.
5. After a few more moments, New Patient prompt displays.
6. Select NO, and press rotary knob in to clear prompt.
NOTE
With all patient inputs removed from the monitor, only “adult” and “ALL
Alarms OFF” appear on MAIN screen.
7. Battery charge level bar graph, date and time report in message area at
bottom of display.
4 Rotary Knob The Rotary Knob in the lower right corner of the front panel controls an optical
encoder for pointing to and selecting display fields and functions.
1. Press Menu key, and verify that selected menu item changes as knob is
rotated one complete revolution in either direction.
2. Rotate knob until ¨ in upper left corner of Main Menu is selected.
3. Press knob in and verify that MAIN screen displays.
5 Fixed Keys The following tests verify that membrane switches on the front panel are func-
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tioning properly, and that the signal from the key is processed by the Front
Panel Control PCB. Functions controlled by the fixed keys are individually
verified elsewhere in this Chapter as required.
NOTE
Before beginning Key tests access Main menu. Select Monitor Setup →
Monitor Options →Speaker Volumes, and assure that Attention Tone Vol-
ume is set to other than OFF.
5.1 ON/OFF Key The ON/OFF key initiates the power-on sequence if the monitor is powered
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off, and powers-off the monitor, initiating a brief power-off piezo alarm, if the
monitor is powered-on.
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NOTE
This test can be omitted if the procedure of section has already been per-
formed.
5.2 Main Screen Key The Main Screen key sets the display to the MAIN screen.
5.3 Alarm Silence Key The Alarm Silence key silences an alarm tone for one minute.
1. Assure that HR alarm is enabled, and without any input applied to Mul-
tiMed POD, plug MultiMed or MultiMed 12 cable into monitor. Monitor
should Alarm.
2. Press Alarm Silence key and verify that alarm ceases.
3. Turn off HR alarm in Alarm Limits Table before proceeding.
5.4 Alarm Limits Key The Alarm Limits fixed key calls up a setup table on which upper and lower
alarm limits for physiologic parameters can be assigned, and alarms and
alarm recordings can be enabled or disabled.
5.5 All Alarms Off Key The All Alarms Off key silences all alarms for a period of 2 minutes.
5.6 Code Key The Code key can perform any of several functions, depending on other
parameter settings entered into the monitor. Refer to operating instructions in
the User Guide for more detailed information. The following procedure veri-
fies only that the monitor responds to a key press.
1. Press the key and verify that a change occurs in the display.
2. Double-click key to return display to former status.
5.7 Record Key The Record key starts and stops a recording of limited duration when the
monitor is mounted on an IDS (or CPS).
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1. With monitor mounted on IDS (or CPS docking station) press Record key.
2. Verify that message “Recording Not Accepted” appears in message field
at bottom right-hand side of display.
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5.8 Print Screen Key Print Screen key initiates printing a copy of the display, on network printer.
5.9 NBP Start/Stop Key The NBP Start/Stop key initiates or terminates the inflation cycle for the non-
invasive blood pressure monitor function.
1. Press Menu key. Access Monitor Setup →Monitor Options →Speaker Vol-
umes, and set Attention Tone Volume to 50%.
2. Press NBP Start/Stop key.
3. Verify that monitor sounds a tone. (Cuff must not be plugged into cuff con-
nector.)
5.10 Zoom Key When a patient is being monitored, the Zoom key calls up a 1-hour trend dis-
play for a quick overview of patient status.
1. Press Zoom key, and verify that “Fast Access Menu” displays.
2. Press Main Screen key to return.
5.11 Help Key 1. Press Help key and observe that Main Help Menu appears on display.
2. Press Main Screen key to clear display.
5.12 Mark Key The Mark key inserts parameter values with time and date stamp in the tabu-
lar trends. Verify that Mark membrane switch is functional as follows:
6 ECG/RESP Func- With the cable plugged into the monitor connect either a 3-lead, 5-lead, or 6-
tions lead ECG cable from the Patient Simulator into the MultiMed POD.
ECG/RESP Test Setup 1. Select HR parameter box and press rotary knob in to bring up ECG
menu.
2. Set all ECG Lead settings at default values and remaining parameters as
follows:
• ARR Monitoring: Basic
• RESP Monitoring: ON
• Pacer Detection: ON
• QRS Sync Marker: ON
• Pulse Tone Source: ECG
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6.4 Lead-Off Indicators 1. One at a time, disconnect each ECG lead from simulator, and verify the
following:
• For LL and RA electrodes, verify “Lead-Off” and “ECG Leads Invalid”
messages appear in message area, pulse tone ceases, *** replaces
digital heart rate in HR field.
• For V and RL electrodes, verify “Lead-Off” message, loss of V trace.
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6.5 Alarm Function This procedure also tests that the alarm function of the monitor, as applicable
to all other patient parameters, is operational in the monitor.
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7 SpO2 Function The SC 8000 monitors oxygen saturation (SpO2) and pulse rate using the
spectrophotometric method. SpO2 software is checked on monitor power-up
and also periodically while the monitor is in operation.
7.1 SpO2 Test Setup The SpO2 parameter box appears when an SpO2 input is applied to the mon-
itor through the MultiMed POD.
7.3 Pulse Tone Genera- 1. Select Pulse Tone Volume in SpO2 menu.
tor 2. Vary volume setting and verify that pulse tone volume changes.
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3. Set Pulse Tone Volume to OFF, and verify that tone stops. Then reset
pulse tone to ON.
4. Do either of the following, as appropriate:
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7.4 SpO2 Limits Alarms 1. In Alarm Limits Table, set SpO2 upper limit to 100%, lower limit to 80%,
and assure that alarm is ON.
2. Set simulator to an SpO2 value outside of set limits.
3. Verify that monitor responds with serious Alarm indication.
4. Reset simulator to value within alarm range.
5. Verify that alarm ceases
8 Temperature Func-
tion
8.1 Temperature Test 1. Using Temperature Y Cable input to MultiMed Pod, set up patient simula-
Setup tor to supply temperature input to Temp A.
2. Set simulator for standard 37°C.
8.2 Digital Readout 1. Verify that monitor indicates temperature of 37±0.1 °C.
2. Change simulator to temperature above and then below 37 °C.
3. Verify that monitor readout agrees with simulator settings ±0.1 °C.
4. Repeat procedure for Temp B input to Temperature Y Cable.
8.3 Temperature Cali- Use the following procedure to check temperature calibration. Record and
bration Check retain results in a copy of Table 2. Also record results in Acceptance Test
Report. Monitor must be returned to Dräger Medical for repair if calibration
check fails.
8.3.1 Recommended Equip- • Decade Resistor, ±0.1% accuracy (or fixed resistors with same accuracy)
ment
• Siemens Temp Adapter Cable, 51 98 333 (Optional)
• Siemens “Y” Adapter, 55 92 154
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4. For each resistance value in Table 2, verify that monitor reports “Set Tem-
perature” value ±0.1°C.
5. Repeat procedure for Temp B input to Temperature Y Cable.
9 Non-Invasive Blood The SC 8000 Monitor measures non-invasive blood pressure (NBP) accord-
Pressure Function ing to the oscillometric method. Perform NBP characterization after replacing
the NBP Subassembly and also after replacing the Rear Housing Subassem-
bly (which includes the Connector I/O PCB). Use tools listed in Table 1 to
check calibration of the pressure transducer. Note pressure indicator required
for NBP calibration.
9.1 System Setup and 1. Set up NBP Calibration assembly (28 77 855) as illustrated in Figure 1.
Pneumatics Leak- 2. Assure that patient category is set to Adult.
age Test 3. Set following in NBP parameter field menu:
• Interval Time - OFF
• Continuous Mode - OFF
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9.3 Hardware Overpres- 1. With monitor still in calibration mode, slowly increase pressure. while
sure observing pressure rise on monitor’s screen.
NOTE
Pressure indicator accuracy of ±0.3 mmHg is not required for hardware
overpressure and subsequent NBP tests.
9.4 Pump 1. Set Calibrate Mode in NBP parameter field menu to OFF.
2. Press NBP Start/Stop key.
3. Verify the following:
• Pressure increases and then decreases.
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9.5 Interval Mode 1. With NBP Calibrate Mode set to OFF, set Interval Time to 1 min.
2. Verify the following:
• One-minute countdown bar graph appears at bottom of NBP parame-
ter box.
• NBP pump starts immediately when rotary switch is pressed in.
• NBP sequences through an inflation/deflation cycle and produces
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9.6 Safety Timer 1. Assure that NBP Calibrate Mode is set to OFF.
2. Press NBP Start/Stop fixed key to start pump.
3. Press same key again to stop measurement.
4. Set NBP Calibrate Mode to ON, and press MAIN SCREEN key.
5. Press CODE key to start screen stopwatch. Observe monitor screen.
6. Press CODE key again to stop watch when “NBP Cuff Deflation Error”
message displays, indicating that safety timer has activated.
7. Verify that elapsed time is as follows:
• Adult: 120 ±5 seconds.
• Neonatal: 90 ±5 seconds
• French Homologation: 60 ±5 seconds
8. Press NBP Start/Stop fixed key.Verify that tone sounds and pump fails to
start.Power-cycle monitor to clear fault condition.
10 etCO2 Function With ≥VE0 software installed in the Kappa Monitor, the etCO2 Pod enables
the Monitor to non-invasively monitor end-tidal CO2 (etCO2) using a tech-
nique that relies on the selective absorption properties of CO2 to specific fre-
quencies of infrared radiation. The pod automatically compensates for
variations in ambient barometric pressure if Monitor set to automatic mode.
Before beginning this procedure, use a mercury column barometer or equiva-
lent other device to determine local atmospheric pressure. Record this value.
1. Plug etCO2 Pod into Aux. connector (between Hemo Med 1 connector
and NBP port) on front of Monitor.
NOTE
Observe that the parameter box appears on the monitor display screen,
and that “etCO2 Sensor Warming Up” followed by “etCO2 Place Sensor on
Zero Cell” appears in the message field.
NOTE
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As CO2 is heavier than room air, set up the airway adapter such that the
point where the gas exits from the adapter is higher in elevation than the
point where it enters.
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11 HemoMed Pod
Refer to Figure 2 for test setup. Invasive blood pressure and cardiac output
functions of HEMO2/4 PODs are incorporated in the HemoMed Pod. A single
cable connects the Pod to the HemoMed 1 input on the front of the Kappa
Monitor. Pressure labels for HemoMed Pod channels are set in the Monitor.
11.1.1 IBP Test setup 1. With MultiMed cable and all other patient inputs unplugged from monitor,
power-cycle monitor. Select NO to clear display.
2. Plug cable from HemoMed Pod output into HemoMed 1 connector on
front of Monitor.
Channel A 1. With MAIN screen displayed, connect BP output from simulator to first
input, channel A, on HEMO POD adapter.Set IBP simulator for a static
pressure = 0 mmHg.
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NOTE
“Zero Required” message, appears on display.
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NOTE
All four pressures are zeroed simultaneously in the monitor, even if only
channels A and B are to be used in the HemoMed Pod.
Channel B 8. Unplug BP adapter cable from channel A on HEMO POD and plug it into
Channel B.
9. Verify that pressure reading on monitor agrees with values generated by
pressure signal from simulator.
10. Do either step a or step b as appropriate.
• If HemoMed Pod has four channels, unplug the BP adapter cable
from channel B and plug it into channel C. Then go on to step 12.
• If HemoMed Pod has only two channels, bypass remaining steps of
this section and go to Section 11.2.
Channel C 11. Unplug BP adapter cable from Channel B on HemoMed Pod and plug it
into Channel C.
12. Verify that pressure reading on monitor agrees with values generated by
pressure signal from simulator.
Channel D 13. Unplug BP adapter cable from Channel C on HemoMed Pod and plug it
into Channel D.
14. Verify that pressure reading on monitor agrees with values generated by
pressure signal from simulator.
15. Unplug simulator input adapter cable from HemoMed Pod, and go on to
Section 11.2.
11.2 Cardiac Output 1. Plug C.O. output from simulator into C.O. test adapter cable, and plug
Function adapter cable into C.O input on HemoMed Pod.
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12.1 IBP Function IBP parameter boxes for up to two pressures for HEMO 2 POD or up to four
pressures for HEMO 4 POD display automatically when IBP signal from POD
is plugged into monitor, when Display Mode is set to automatic.
12.1.1 IBP Test setup 1. With MultiMed cable and all other patient inputs unplugged from monitor,
power-cycle monitor. Select NO to clear display.
2. Plug cable from HEMO POD IBP SC 9000 output into Aux./Hemo3 input
on front of Kappa Monitor.
Channel A 3. With MAIN screen displayed, connect BP output from simulator to first
input, Channel A, on HEMO POD adapter.
4. Set IBP simulator for static pressure = 0 mmHg.
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NOTE
“Zero Required” message, identified by same pressure label is shown in
window for channel A on front of HEMO POD appears on display.
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11. If functionally verifying only the Kappa Monitor, omit remaining steps in
this section and go to Section 12.1.2. Otherwise, if also functionally verify-
ing HEMO POD, go on to step 12.
Channel B 12. Unplug BP adapter cable from Channel A on HEMO POD and plug it into
Channel B.
13. Observe that pressure label changes to same pressure label as is shown
in window for Channel B on front of HEMO POD.
14. Verify that pressure reading on monitor is in agreement with values gen-
erated by pressure signal from simulator.
15. Do either step a or step b as appropriate.
a) If the HEMO POD has four channels, unplug the BP adapter cable
from channel B and plug it into channel C. Then go on to step 16.
b) If the HEMO POD has only two channels, bypass remaining steps of
this section and go to Section 12.1.2.
Channel C 16. Unplug BP adapter cable from Channel B on HEMO POD and plug it into
Channel C.
17. Observe that pressure label changes to same pressure label as is shown
in window for Channel C on front of HEMO POD.
18. Verify that pressure reading on monitor is in agreement with values gen-
erated by pressure signal from simulator.
Channel D 19. Unplug BP adapter cable from Channel C on HEMO POD and plug it into
Channel D.
20. Observe that pressure label changes to same pressure label as is shown
in window for Channel D on front of HEMO POD.
21. Verify that pressure reading on monitor is in agreement with values gen-
erated by pressure signal from simulator.
22. Unplug simulator input adapter cable from HEMO POD, and go on to
Section 12.1.2.
12.1.2 Temperature Function 1. To perform temperature calibration check, refer to procedure of Section
8.3. Connect decade resistor directly across temp input to Hemo 2/4 Pod
instead of using Y cable.
2. Plug fixed temperature (37 °C) output from simulator into TEMP A con-
nector HEMO POD.
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12.1.3 Cardiac Output Function 1. Plug C.O. output from simulator into C.O. test adapter cable, and plug
adapter cable into C.O./Temp B input on HEMO POD.
2. When READY appears in CO parameter field verify that blood tempera-
ture indication is 37±0.15 °C.
3. Press C.O. START key on simulator, and verify an Injectate Temperature
indication of 1±0.2 °C.
12.2 Memory Backup The monitor retains patient-related data, such as alarm limits, trends, and
stored alarm recordings when it is powered off.
NOTE
Note time on Real Time Clock.
2. Power monitor off for approximately 2 minutes, and then power it back on
again.
3. After MAIN screen displays, press Alarm Limits fixed key to call up Alarm
Limits Table.
4. Verify that new limit(s) you set in Step 1 have been retained, and that
clock has advanced the proper amount of time.
12.3 MIB and CAN Omit steps 1 and 2 if MGM not used with this monitor.
Options (if installed)
1. With MAIN screen displayed on the Kappa Monitor, connect MGM to
Comm connector input on Monitor and to a hospital-grade power source.
2. Switch MGM power on, and verify that Agent parameter box displays on
Kappa screen.
3. Plug MIB - External Vendor Device cable into any MIB input and into
External Vendor Device port as given in Software Compatibility Chart for
installed monitor software.
4. Refer to Operating Instructions for External Vendor Device to set up
device as required in the Software Compatibility Chart for the installed
software version.
5. Power External Vendor Device ON, and verify that vendor parameters
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NOTE
If test mode not possible on External Vendor Device, only parameter and
waveform templates may display on Patient Monitor. Refer to User Guide
for installed software version for instructions on using MIB option.
12.4 Adv Comm Option (if Functional verification of proper operation of the Adv Comm Option has been
installed) programmed into the software. To verify proper operation, connect an SDC
(Surgical Display Controller) to the Adv Comm connector. The Monitor auto-
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12.5 Configuration This checks for proper configuration and for monitor communication via the
Infinity Network.
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NOTE
If Infinity Network not equipped with MVWS, use remote view function of
another monitor on network to view waveforms, skip step 4 and go on to
Section 12.6.
4. Access net Info on MVWS and verify that monitor labels are unique.
12.6 Recorder Function The R50 Recorder connects to the Kappa Monitor through X13 on back of the
monitor. The following procedure verifies that the monitor is communicating
with the Recorder.
13 Leakage Tests Kappa Monitors are AC voltage operated devices. Leakage tests assure that
under both normal and fault conditions, any leakage current does not exceed
values given below. Record all values in copy of Acceptance Test Report.
13.1 Resistance Test 1. Using DMM (Fluke, model 8050A or equivalent) measure resistance
between ground stud on rear panel and earth pin on the AC inlet (i.e.
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NOTE
Since the value of resistance is very small, you are reminded that it is nec-
essary to account for lead resistance in the measurement. Prior to measur-
ing the resistance between the ground stud on the rear panel and the earth
pin on the AC inlet, connect both meter leads to the ground stud and mea-
sure the meter lead resistance. Subtract this lead resistance value from the
DVM reading obtained in the ground stud / earth pin resistance measure-
ment.
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2. Verify that resistance between ground stud and earth pin <0.5Ω. Record
reading in space provided on Test List.
13.2 Leakage Current 1. Perform leakage current tests with monitor plugged into leakage tester.
Tests See Figure 4.
2. Follow leakage tester manufacturer’s instructions to measure each of
leakage currents given below:
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ON/OFF _______
Code _______
Record _______
Zoom _______
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Help _______
Kappa_IEC_Test_List_Report.fm 02.08.06
Mark _______
Asystole _______
Temp B_______
Calibration OK _______
Pump _______
etCO2 _______
T1a_______
T1b_______
T1a - T1b_______
CAN Option_______
MIB Option_______
Configuration_______
@ 240 vac_________
or @ 120 vac_________
@ 240 vac_________
or @ 120 vac_________
Address:
Spare Parts Refer to the Figures and corresponding Tables for a listing of replacement
subassemblies and components. The lists contain all information available as
of the publication date of this Manual. Field experience and technological
development, however, may require future modifications. Subsequent
changes may be published as a supplement, as well as posted on the Dräger
Medical Intranet site.
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Manufacturer: EC Representative:
Draeger Medical Systems, Inc. Dräger Medical AG & Co. KG
6 Technology Drive Moislinger Allee 53 – 55
Andover, MA 01810 23542 Lübeck
USA Germany
The warranty and liability conditions of the general terms and conditions for business transactions of
Dräger Medical AG & Co. KG are not extended by this Technical Documentation.