Simple to Start: Simple to Set: Simple to Defrost: Simple to Check:

Setpoint Temperature Initiate Manual Defrost Pretrip Test

3 1 1 2
1

2 3

4 1. Press the ON Key. 1. Return to the Standard

Display. 1. Return to the Standard 1. Clear all alarm codes.
2. A series of start-up screens will
appear. 2. Press the SETPOINT Key Display.
2. Return to the Standard
on the Standard Display. 2. Press the DEFROST Key. Display.
3. The Standard Display appears
showing setpoint and box 3 3. Press the + or - Keys to 3. Miscellaneous defrost 3. Press the MENU key.
temperature when the unit is change the setpoint reading. 4 programming screens appear.
running. 3 5 4 4. Press the NEXT Key as
4. Press the YES or NO key 4. A modified Standard Display required to show the Pretrip
4. The Standard Display defaults to the “Temperature Watch” screen after accordingly. screen appears. The bar Menu.
2 1/2 minutes. This screen displays same setpoint and box temperature in indicator will fill in showing the
5. The Standard Display 5. Press the SELECT Key to
larger font. time remaining to complete the
appears with setpoint changed start a Pretrip Test.
NOTE: For more detailed information, see the Operation chapter in 4 5 to the new setpoint. Defrost cycle. When the
the appropriate unit operating manual. Defrost cycle is complete the 6. If the unit is not running, a Full
NOTE: For more detailed display returns to Standard Pretrip will be initiated. If the unit
information, see the Display screen. 7 is running in either diesel or
Simple to Set: Operation chapter in the
appropriate unit operating NOTE: For more detailed information, see the Operation chapter in
electric mode, a Running Pretrip
will be performed.
manual. the appropriate unit operating manual.
CYCLE-SENTRY or Continuous Run 7. When all tests are complete, the results are reported as PASS, CHECK or

Simple to Check:
FAIL. If the results are CHECK or FAIL, the accompanying alarm codes will
1 Simple to Access: direct the technician to the cause of the problem.

Gauges Sensors NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.
2&6

Simple to Check:
1
1

Hourmeters
2
5 1. Return to the Standard 1
Display.
2. Press the MODE 2
SELECTION Key.
1. Return to the Standard
3. The “Programming 1. Return to the Standard Display. 2
Continuous Mode” or
5 Display. 2. Press the SENSORS Key.
“Programming CYCLE-
SENTRY Mode” screen briefly 2. Press the GAUGES Key. 3. Press the BACK or NEXT
appears. Keys to scroll through the
3. Press BACK or NEXT
5 4 3 3 following sensor screens: 1. Return to the Standard Display
4. The “New System Mode is 5 4 3 3 Keys to scroll through
Control Return Air screen.
Continuous” screen or the following gauges: Coolant
Temperature, Display Return
“New System Mode CYCLE- Temperature, Coolant Level, 2. Press the MENU Key.
Air Temperature, Control Discharge Air Temperature, Display Discharge
SENTRY” screen briefly Engine Oil, Pressure, Amps, Battery Voltage, Engine RPM, Discharge
Air Temperature, Temperature Differential, Evaporator Coil Temperature, 3. Scroll through Main Menu by
appears. Pressure, Suction Pressure, ETV Position, I/O. If no keys are pressed
Ambient Air Temperature, Spare 1 Temperature, Datalogger Temperature 4 3&5 3&5 repeatedly pressing the NEXT and
within 30 seconds, the screen will return to the Standard Display.
5. The Standard Display appears and the heading on top of screen reads Sensors 1-6 and the Board Temperature Sensor. If no keys are pressed BACK Keys until the hourmeters
the new mode. 4. Press the LOCK Key to display any gauge screen for an indefinite within 30 seconds, the screen will return to the Standard Display. Main Menu Screen appears.
period. Press the key again to unlock the screen. 4. Press the LOCK Key to display any sensor screen for an indefinite
6. Pressing the MODE SELECTION Key again will change the unit back to 4. Press the SELECT Key to enter the Hourmeters Menu.
period. Press the key again to unlock the screen.
the previous mode. 5. Press the EXIT Key to return to the Standard Display.
5. Press the EXIT Key to return to the Standard Display. 5. Press the NEXT and BACK Keys to view the Hourmeter Displays.
NOTE: For more detailed information, see the Operation chapter in NOTE: For more detailed information, see the Operation chapter in NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual. the appropriate unit operating manual. the appropriate unit operating manual. NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.

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 89 Check Electronic Throttling Valve Circuit

Simple to View: Simple to Determine:

90 Electric Overload
91 Electric Ready Input
92 Sensor Grades Not Set
Cause of Alarm Cause of Alarm 93 Low Compressor Suction Pressure
94 Loader #1 Circuit
95 Loader #2 Circuit

SR-3
1 0 No Alarms Exist 96 Low Fuel Level
2 Evaporator Coil Sensor 98 Fuel Level Sensor
3 Control Return Air Sensor 99 High Compressor Pressure Ratio
4 Control Discharge Air Sensor 108 Door Open Time-out

Smart Reefer 3
5 Ambient Air Sensor 111 Unit Not Configured Correctly
2 6 Coolant Temp Sensor 113 Electric Heat Circuit
7 Engine RPM Sensor 114 Multiple Alarms - Cannot Run
9 High Evaporator Temperature 117 Auto switch from Diesel to Electric

Microprocessor
10 High Discharge Pressure 118 Auto switch from Electric to Diesel
11 Unit Controlling on Alternate Sensor 120 Alternator Exciter Circuit
1. Return to the Standard 12 Sensor or Digital Input Shutdown 121 Liquid Injection Circuit
Display Screen. 13 Sensor Check 122 Diesel/Electric Relay Circuit
15 Check Glow Plugs/Intake Air Heater 127 Setpoint Not Entered
2. Press the MENU Key. 17 Engine Failed to Crank 128 Engine Run Time Maintenance Reminder #1
3. Press the NEXT Key until 18 High Engine Coolant Temperature 129 Engine Run Time Maintenance Reminder #2
the Alarm Menu appears. 19 Low Engine Oil Pressure 130 Electric Run Time Maintenance Reminder #1
4 3 20 Engine Failed to Start 131 Electric Run Time Maintenance Reminder #2
4. Press the SELECT Key. 21 Cooling Cycle Check 132 Total Unit Run Time Maintenance Reminder #1
The Alarm Display will appear 22 Heating Cycle Check 133 Total Unit Run Time Maintenance Reminder #2
5. If no alarms are present, 23 Cooling Cycle Fault 134 Controller Power On Hours
Alarm 00 is shown. 24 Heating Cycle Fault 135 Check Spare Digital Inputs
25 Alternator Check 136 Check Spare Digital Outputs
6. Press the EXIT Key to return 26 Refrigeration Capacity 137 Check Damper Motor Heater Output
to the Standard Display. 28 Pretrip or Self Check Abort 141 Autoswitch Diesel to Electric Disabled
6 5 7. If alarms are present, the 29 Defrost Damper Circuit 145 Loss of Controller "On" Feedback Signal
7 quantity of alarms and the 30 Defrost Damper Stuck 146 Software Version Mismatch
most recent alarm code 31 Oil Pressure Switch 148 Autoswitch Electric to Diesel Disabled
number will be shown. 32 Refrigeration Capacity Low 149 Alarm Not Identified
33 Check Engine RPM 150 Out of Range Low
8. If there is more than one 35 Run Relay Circuit 151 Out of Range High
alarm, press the NEXT Key to 36 Electric Motor Failed to Run 157 OptiSet Plus Mismatch
view each alarm. 37 Engine Coolant Level 203 Display Return Air Sensor
9. If a serious alarm occurs, 38 Electric Phase Reversed 204 Display Discharge Air Sensor
the unit will be shut down to prevent damage to the unit or the load. If this 39 Water Valve Circuit 252 Check Fresh Air Exchange Circuit
occurs, the display will show that the unit is shut down and display the 40 High Speed Circuit
alarm code that caused the shutdown. 41 Check Engine Coolant Temperature
42 Unit Forced to Low Speed
NOTE: For more detailed information, see the Operation chapter in the 43 Unit Forced to Low Speed Modulation
appropriate unit operating manual. 44 Check Fuel System
45 Hot Gas Bypass or Hot Gas Bypass Circuit

Simple to View:
Driver Guide to
46 Check Air Flow
48 Check Belts/Clutch
50 Reset Clock
Clearing Alarm Codes 52 Heat Circuit

Simple
54 Test Mode Time-out
61 Low Battery Voltage
1.Press the CLEAR Key to 62 Ammeter Out of Calibration

Operation
clear an alarm. 63 Engine Stopped
64 Pretrip Reminder
2. The display screen will
65 Abnormal Temperature Differential
return to the Standard Display
66 Low Engine Oil Level
when the alarms are cleared.
67 Liquid Line Solenoid Circuit
1 3 3. Press the HELP key for 68 Internal Controller Fault
2 additional information 70 Hourmeter Failure
regarding the alarm shown on 74 Controller Reset to Defaults
the display. Also see the 77 Controller EPROM Checksum Failure
complete Alarm Code list in the 79 Internal Data Logger Overflow
next column. 80 Compressor Temp Sensor
81 High Compressor Temp
NOTE: For more detailed
82 High Compressor Temperature Shutdown
information, see the
83 Low Engine Coolant Temperature
Operation chapter in the
84 Restart Null TK 55072-2-PC (Rev. 0, 04/11) ©Thermo King Corporation
appropriate unit operating
85 Forced Unit Operation
manual.
86 Discharge Pressure Sensor
87 Suction Pressure Sensor

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