OPERATING
THE THERMOGUARD CHANGING THE SETPOINT MANUAL DEFROST CYCLE
P-IV and P-IV+ 1. Turn the unit "on". 1. The unit must be On and running in
MICROPROCESSOR either Continuous or Cycle Sentry Mode or
2. Press the Up and Down Arrow keys to stopped in Cycle Sentry Null Mode
chose the new setpoint. and
THERMOGUARD P IV+ the coil temperature must be less than 45F
TEMPERATURE 3. Press the Enter key. The display will (7C).
COOL
CYCLE
SENTRY
briefly show [LOAD], and then the new
HEAT
! ALARM setpoint will reappear. 2. Lift and release the Manual Defrost
DEFROST
HIGH SPEED
MODULATION
switch to start a manual defrost cycle. The
IN-RANGE
unit will not perform a Defrost Cycle if the
SETPOINT
SELECTING CYCLE SENTRY OR coil temperature is above 45F (7C).
CONTINUOUS MODE
3. The defrost cycle will terminate
1. Place the Cycle Sentry/Continuous automatically.
switch in the desired position.
VIEWING PROMPT & DISPLAY
HOURS OIL PRESS WATER TEMP AMPS
STARTING THE ENGINE SCREENS
Continuous Mode - Turn the unit "on". Hold 1. Turn the unit "on".
SELECT SETPOINT ENTER CODE CLEAR
the Preheat/Start switch in the "Preheat"
ALARM
position for 10 to 90 seconds depending on 2. Press the Select key to view the prompt
ambient temperature. Then press the and display screens as follows:
Preheat/Start switch to the "Start" position to
start the engine. [DIS.A] Discharge Air Temperature
[TPDF] Temperature Differential
ON START MANUAL CYCLE SENTRY
Cycle Sentry Mode - Turn the unit "on". If [COIL] Evap Coil Temperature
no other key is pressed, the engine will [AMB.T] Ambient Air Temperature
OFF PREHEAT DEFROST CONTINUOUS
automatically preheat and start in about 10 [SPR.1] Spare Sensor 1
seconds. [SPR.2] Spare Sensor 2
Used On: [BATV] Battery Voltage
SB-III SR and SB-III SR+, Super-II SR and [RPM] Engine RPM
Super-II SR+, RMN SR and RMN SR+ [DEFI] Def Interval In Range
with version 01xx, 02xx, 03xx and 04xx software [DEFN] Def Interval Not In Range
[DDUR] Defrost Duration
TK 40431-6 13 August 1998
VIEWING & CLEARING ALARM ALARM CODES ALARM CODES
CODES 00 No Fault 45 Hot Gas Circuit
01 Power Up Reset (Data Log Only) 46 Air Flow Check
1. If the Alarm Icon is "on", alarm conditions 02 Evaporator Coil Sensor 50 Reset Clock
have been detected 03 Return air Sensor 52 Heat Circuit
04 Discharge Air Sensor 54 Test Mode Timeout
05 Ambient Air Sensor 55 Check Engine Speeds
2. Press the Code key to display the alarm
06 Engine Water Temp Sensor 61 Battery Check
code. Press the Code key again to display 07 Engine RPM Sensor 62 Ammeter Out of Calibration Range
any additional alarm codes. Always record 09 High Evaporator Temp 63 Engine Stopped - Reason Unknown
any alarm codes shown. 10 High Discharge Pressure 64 Pretrip Reminder
11 Unit Controlling on Discharge Air Sensor 66 Low Engine Oil Level
4. After the alarm condition has been 12 Sensor Shutdown 70 Hourmeters Exceed 99999
corrected, press the Code key to display the 13 Check Sensor calibration 71 Hourmeter 4 Exceeds set limit
alarm code again. When the alarm code is 15 Glow Plug Check 72 Hourmeter 5 Exceeds set limit
shown in the display, press the Clear key to 16 Manual Start Not Completed 73 Hourmeter 6 Exceeds set limit
17 Engine Failed to Crank 74 Microprocessor Reverted to Default Settings
clear the alarm.
18 High Engine Water Temp 75 Internal Fault Code, Dealer Resettable
19 Low Engine Oil Pressure 76 Internal Fault Code, Dealer Resettable
20 Engine Failed to Start 77 Internal Fault Code, Dealer Resettable
RUNNING A PRETRIP TEST 21 Cooling Cycle Check 78 Internal Fault Code, Dealer Resettable
22 Heating Cycle Check 79 Data Log Overflow
1. Place the unit in Cycle Sentry Mode and 23 Cooling Cycle Fault
turn the unit "on". 24 Heating Cycle Fault
25 Alternator Check
26 Check Refrigeration Capacity
2. Clear any alarm codes that may exist. 28 Pretrip Abort
29 Defrost Damper Circuit
3. Before the engine starts, press and hold 30 Damper Stuck Closed
the Thermo King Logo key for at least 3 31 Oil Pressure Switch ADDITIONAL INFORMATION
seconds. The Pretrip prompt screen [PrE 32 Refrigeration capacity low
For additional information consult the
TRIP] will appear. 33 Check Engine RPM
34 Check Modulation Circuit following Thermo King manuals for your
35 Run Relay Circuit unit.
4. Press the Enter key to start a Pretrip test.
36 Electric Motor Failed to Run
The display will briefly show [LOAD] and
37 Check Engine Water Level Operating Manual
then the test will begin. 38 Electric Phase Reversed
40 High Speed Circuit Maintenance Manual
5. The test is fully automatic. When it is 41 Engine Water Temperature Check
complete, [PASS], [CHEC] or [FAIL] will 42 Unit Forced to Low Speed Parts Manual
appear on the display. 43 Unit Forced to Low Speed Modulation
44 Fuel System Check
Diagnosis Manual
