Thermo King Alarm Codes - North America

This is a listing of all current truck, trailer, CR, DAS and DSR alarm codes. On multi-temp units, the zone will be identified. Please record all alarms that occur to assist technician in resolving issue. Alarm codes with parenthesis (XX) may exist with alarm code 84 and may clear automatically.

  • Alarm Code 00

    Status: green OK to Run

    Description: No Alarms Exist

    Operator Action: No action required.

  • Alarm Code 02

    Status: yellow Check as Specified

    Description: Check Evaporator Coil Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 03

    Status: yellow Check as Specified

    Description: Check (Control); Return Air Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 04

    Status: yellow Check as Specified

    Description: Check (Control); Discharge Air Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 05

    Status: green OK to Run

    Description: Check Ambient Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 06

    Status: green OK to Run

    Description: Check Coolant Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 07

    Status: green OK to Run

    Description: Check Engine RPM Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 08

    Status: yellow Check as Specified

    Description: Unit Running on Coil Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code (09)

    Status: yellow Check as Specified

    Description: High Evaporator Temperature (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (10)

    Status: red Take Immediate Action

    Description: High Discharge Pressure (or Temperature)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 11

    Status: yellow Check as Specified

    Description: Unit or Zone Controlling on Alternate Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 12

    Status: red Take Immediate Action

    Description: Sensor or Digital Input Shutdown (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 13

    Status: yellow Check as Specified

    Description: Sensor Check (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 14

    Status: green OK to Run

    Description: Defrost Terminated by Time

    Operator Action: Report alarm at end of day.

  • Alarm Code 15

    Status: yellow Check as Specified

    Description: Check Glow Plugs or Intake Air Heater

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 16

    Status: green OK to Run

    Description: Manual Start Not Completed

    Operator Action: Report alarm at end of day.

  • Alarm Code (17)

    Status: yellow Check as Specified

    Description: Engine Failed to Crank

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (18)

    Status: yellow Check as Specified

    Description: High Engine Coolant Temperature

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (19)

    Status: yellow Check as Specified

    Description: Low Engine Oil Pressure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (20)

    Status: yellow Check as Specified

    Description: Engine (Vapor Motor CR) Failed to Start

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (21)

    Status: yellow Check as Specified

    Description: Cooling Cycle Check (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code (22)

    Status: yellow Check as Specified

    Description: Heating Cycle Check (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 23

    Status: red Take Immediate Action

    Description: Cooling Cycle Fault (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 24

    Status: red Take Immediate Action

    Description: Heating Cycle Fault (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 25

    Status: yellow Check as Specified

    Description: Alternator Check

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (26)

    Status: yellow Check as Specified

    Description: Check Refrigeration Capacity (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code (27)

    Status: red Take Immediate Action

    Description: Vapor Motor RPM High (CR)

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code 28

    Status: green OK to Run

    Description: Pretrip or Self Check Abort

    Operator Action: Report alarm at end of day.

  • Alarm Code 29

    Status: yellow Check as Specified

    Description: Defrost Damper Circuit Check (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 30

    Status: red Take Immediate Action

    Description: Defrost Damper Stuck Closed (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 31

    Status: yellow Check as Specified

    Description: Check Oil Pressure Switch

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 32

    Status: red Take Immediate Action

    Description: Refrigeration Capacity Low (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 33

    Status: green OK to Run

    Description: Check Engine RPM

    Operator Action: Report alarm at end of day.

  • Alarm Code 34

    Status: yellow Check as Specified

    Description: Check Modulation Circuit

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 35

    Status: red Take Immediate Action

    Description: Check Run Relay Circuit

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code (36)

    Status: red Take Immediate Action

    Description: Electric Motor Failed to Run

    Operator Action: Unit cannot operate and is shut down. Repair immediately. Switch to Diesel Mode.

  • Alarm Code 37

    Status: green OK to Run

    Description: Check Engine Coolant Level

    Operator Action: Report alarm at end of day.

  • Alarm Code 38

    Status: red Take Immediate Action

    Description: Electric Phase Reversed

    Operator Action: If unit/zone is shut down repair immediately.

  • Alarm Code 39

    Status: yellow Check as Specified

    Description: Check Water Valve Circuit

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 40

    Status: yellow Check as Specified

    Description: Check High Speed Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 41

    Status: yellow Check as Specified

    Description: Check Engine Coolant Temp

    Operator Action: Report alarm at end of day.

  • Alarm Code 42

    Status: yellow Check as Specified

    Description: Unit Forced to Low Speed

    Operator Action: Report alarm at end of day.

  • Alarm Code 43

    Status: green OK to Run

    Description: Unit Forced to Low Speed Modulation

    Operator Action: Report alarm at end of day.

  • Alarm Code 44

    Status: red Take Immediate Action

    Description: Check Fuel System

    Operator Action: Add fuel as necessary. Otherwise, report alarm at end of day.

  • Alarm Code 45

    Status: yellow Check as Specified

    Description: Check Hot Gas or Hot Gas Bypass Circuit

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 46

    Status: yellow Check as Specified

    Description: Check Air Flow (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 47

    Status: red Take Immediate Action

    Description: Remote Sensor Shutdown

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 48

    Status: red Take Immediate Action

    Description: Check Belts or Clutch

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 49

    Status: green OK to Run

    Description: Check Spare Sensor 1

    Operator Action: Report alarm at end of day.

  • Alarm Code 50

    Status: green OK to Run

    Description: Reset Clock

    Operator Action: Report alarm at end of day.

  • Alarm Code 51

    Status: red Take Immediate Action

    Description: Check Shutdown Circuit

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 52

    Status: yellow Check as Specified

    Description: Check Heat Circuit (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 53

    Status: yellow Check as Specified

    Description: Check Economizer Valve Circuit

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 54

    Status: green OK to Run

    Description: Test Mode Timeout

    Operator Action: Clear alarm and restart unit.

  • Alarm Code 55

    Status: green OK to Run

    Description: Check Engine Speeds

    Operator Action: Report alarm at end of day.

  • Alarm Code 56

    Status: yellow Check as Specified

    Description: Check Evaporator Fan Low Speed (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 57

    Status: yellow Check as Specified

    Description: Check Evaporator Fan High Speed (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 61

    Status: yellow Check as Specified

    Description: Low Battery Voltage

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 62

    Status: red Take Immediate Action

    Description: Ammeter Out of Calibration

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code (63)

    Status: red Take Immediate Action

    Description: Engine or Vapor Motor Stopped

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 64

    Status: green OK to Run

    Description: Pretrip Reminder

    Operator Action: Report alarm at end of day.

  • Alarm Code 65

    Status: yellow Check as Specified

    Description: Abnormal Temperature Differential (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 66

    Status: red Take Immediate Action

    Description: Low Engine Oil Level

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 67

    Status: yellow Check as Specified

    Description: Check Liquid Line Solenoid Circuit (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 68

    Status: red Take Immediate Action

    Description: Internal Controller Fault Code

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 70

    Status: green OK to Run

    Description: Hourmeter Failure

    Operator Action: Report alarm at end of day.

  • Alarm Code 71

    Status: green OK to Run

    Description: Hourmeter 4 Exceeds Set Time Limit

    Operator Action: Report alarm at end of day.

  • Alarm Code 72

    Status: green OK to Run

    Description: Hourmeter 5 Exceeds Set Time Limit

    Operator Action: Report alarm at end of day.

  • Alarm Code 73

    Status: green OK to Run

    Description: Hourmeter 6 Exceeds Set Time Limit

    Operator Action: Report alarm at end of day.

  • Alarm Code 74

    Status: green OK to Run

    Description: Controller Reset to Defaults

    Operator Action: Report alarm at end of day.

  • Alarm Code 75

    Status: red Take Immediate Action

    Description: Controller RAM Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 76

    Status: red Take Immediate Action

    Description: Controller EPROM Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 77

    Status: red Take Immediate Action

    Description: Controller EPROM Checksum Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 78

    Status: red Take Immediate Action

    Description: Data Log EPROM Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 79

    Status: green OK to Run

    Description: Internal Data Logger Overflow

    Operator Action: Report alarm at end of day.

  • Alarm Code 80

    Status: green OK to Run

    Description: Check Compressor Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 81

    Status: red Take Immediate Action

    Description: High Compressor Temp

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 82

    Status: red Take Immediate Action

    Description: High Compressor Temp Shutdown

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code 83

    Status: green OK to Run

    Description: Low Engine Coolant Temp

    Operator Action: Report alarm at end of day.

  • Alarm Code 84

    Status: green OK to Run

    Description: Restart Null

    Operator Action: Report alarm at end of day.

  • Alarm Code 85

    Status: green OK to Run

    Description: Forced Unit Operation

    Operator Action: Report alarm at end of day.

  • Alarm Code 86

    Status: green OK to Run

    Description: Check Discharge Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 87

    Status: green OK to Run

    Description: Check Suction Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 88

    Status: green OK to Run

    Description: Reserved for CR

    Operator Action:

  • Alarm Code 89

    Status: green OK to Run

    Description: Check Electronic Throttling Valve (ETV) Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 90

    Status: green OK to Run

    Description: Electric Overload

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 91

    Status: green OK to Run

    Description: Check Electric Ready Input

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 92

    Status: green OK to Run

    Description: Sensor Grades Not Set (Zone)

    Operator Action: Report alarm at end of day.

  • Alarm Code 93

    Status: green OK to Run

    Description: Low Compressor Suction Pressure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 94

    Status: green OK to Run

    Description: Check Loader #1 Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 95

    Status: green OK to Run

    Description: Check Loader #2 Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 96

    Status: yellow Check as Specified

    Description: Low Fuel Level

    Operator Action: Add fuel as required.

  • Alarm Code 97

    Status: red Take Immediate Action

    Description: Failed Remote Return Air Sensor (CR)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 98

    Status: green OK to Run

    Description: Check Fuel Level Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 99

    Status: red Take Immediate Action

    Description: High Compressor Pressure Ratio

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code (100)

    Status: yellow Check as Specified

    Description: Heater Fan Failure (CR)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 101

    Status: red Take Immediate Action

    Description: Controlling on Evap Coil Outlet Temp (CR)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code (102)

    Status: yellow Check as Specified

    Description: Low Evaporator Coil Temperature (CR)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 103

    Status: yellow Check as Specified

    Description: Low Heater Fuel Level (CR)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 104

    Status: yellow Check as Specified

    Description: Check Remote Fan Speed (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 105

    Status: yellow Check as Specified

    Description: Check Receiver Tank Press Sol Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 106

    Status: yellow Check as Specified

    Description: Check Purge Valve Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 107

    Status: yellow Check as Specified

    Description: Check Condenser Inlet Sol Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 108

    Status: yellow Check as Specified

    Description: Door Open Timeout (Zone)

    Operator Action: Close doors. Report alarm at end of day.

  • Alarm Code 110

    Status: yellow Check as Specified

    Description: Check Suction Line Sol Circuit (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 111

    Status: green OK to Run

    Description: Unit Not Configured Correctly (Zone)

    Operator Action: Report alarm at end of day.

  • Alarm Code 112

    Status: yellow Check as Specified

    Description: Check Remote Fans (Zone)

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 113

    Status: yellow Check as Specified

    Description: Check Electric Heat Circuit (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 114

    Status: red Take Immediate Action

    Description: Multiple Alarms - Can Not Run (Zone)

    Operator Action: Unit/zone cannot operate and is shut down. Repair immediately.

  • Alarm Code 115

    Status: yellow Check as Specified

    Description: Check High Pressure Cut Out Switch

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 116

    Status: green OK to Run

    Description: Check High Pressure Cut In Switch

    Operator Action: Report alarm at end of day.

  • Alarm Code 117

    Status: green OK to Run

    Description: Auto Switch from Diesel to Electric

    Operator Action: Normal operation – does not affect performance.

  • Alarm Code 118

    Status: green OK to Run

    Description: Auto Switch from Electric to Diesel

    Operator Action: Normal operation – does not affect performance.

  • Alarm Code 120

    Status: yellow Check as Specified

    Description: Check Alternator Excite Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 121

    Status: yellow Check as Specified

    Description: Check PMW Liquid Injection Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 122

    Status: yellow Check as Specified

    Description: Check Diesel/Electric Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 123

    Status: yellow Check as Specified

    Description: Check Evap Coil Inlet Temp Sensor (CR)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 124

    Status: green OK to Run

    Description: Check Evap Coil Outlet Temp Sensor (CR)

    Operator Action: Report alarm at end of day.

  • Alarm Code 125

    Status: yellow Check as Specified

    Description: Check Tank Level Sensor (CR)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 126

    Status: yellow Check as Specified

    Description: Check Back Pressure Regulator (CR)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 127

    Status: yellow Check as Specified

    Description: Setpoint Not Entered (Zone)

    Operator Action: Be sure setpoint is adjusted to required temperature.

  • Alarm Code 128

    Status: green OK to Run

    Description: Engine Run Time Maint Reminder #1/Service Due

    Operator Action: Report alarm at end of day.

  • Alarm Code 129

    Status: green OK to Run

    Description: Engine Run Time Maint Reminder #2

    Operator Action: Report alarm at end of day.

  • Alarm Code 130

    Status: green OK to Run

    Description: Engine Run Time Maint Reminder #1

    Operator Action: Report alarm at end of day.

  • Alarm Code 131

    Status: green OK to Run

    Description: Electric Run Time Maint Reminder #2

    Operator Action: Report alarm at end of day.

  • Alarm Code 132

    Status: green OK to Run

    Description: Total Unit Run Time Maint Reminder #1

    Operator Action: Report alarm at end of day.

  • Alarm Code 133

    Status: green OK to Run

    Description: Total Unit Run Time Maint Reminder #2

    Operator Action: Report alarm at end of day.

  • Alarm Code 134

    Status: green OK to Run

    Description: Controller Power On Hours

    Operator Action: Report alarm at end of day.

  • Alarm Code 135

    Status: green OK to Run

    Description: Check Spare Digital Inputs

    Operator Action: Report alarm at end of day.

  • Alarm Code 137

    Status: green OK to Run

    Description: Check Spare Digital Outputs

    Operator Action: Report alarm at end of day.

  • Alarm Code 137

    Status: yellow Check as Specified

    Description: Check Damper Motor Heater Output

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 138

    Status: green OK to Run

    Description: Log DAS Real Time Clock Battery Failure (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 139

    Status: green OK to Run

    Description: Abort Evacuation Mode

    Operator Action: Report alarm at end of day.

  • Alarm Code 141

    Status: yellow Check as Specified

    Description: Auto Switch Diesel to Electric Disabled

    Operator Action: Report alarm at end of day.

  • Alarm Code 142

    Status: yellow Check as Specified

    Description: Check Thermax Valve

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 143

    Status: green OK to Run

    Description: Check Remote Drain Hose Heater Output (Zone)

    Operator Action: Report alarm at end of day.

  • Alarm Code 144

    Status: red Take Immediate Action

    Description: Lost CAN Communications to Expansion Module

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code 145

    Status: yellow Check as Specified

    Description: Lost Controller ON Feedback Signal

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 146

    Status: green OK to Run

    Description: Software Version Mismatch

    Operator Action: Report alarm at end of day.

  • Alarm Code 147

    Status: yellow Check as Specified

    Description: Check Multi-Temp Fan Speed Control Output (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 148

    Status: yellow Check as Specified

    Description: Auto Switch Electric to Diesel Disabled

    Operator Action: Report alarm at end of day.

  • Alarm Code 149

    Status: yellow Check as Specified

    Description: Alarm Not Identified

    Operator Action: If unit/zone is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 150

    Status: green OK to Run

    Description: Sensor Out of Range Low (DAS and HMI) (Zone)

    Operator Action: Report alarm at end of day.

  • Alarm Code 151

    Status: green OK to Run

    Description: Sensor Out of Range High (DAS and HMI) (Zone)

    Operator Action: Report alarm at end of day.

  • Alarm Code 152

    Status: green OK to Run

    Description: DAS Failed Sensor (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 153

    Status: green OK to Run

    Description: Expansion Module Flash Load Failure

    Operator Action: Report alarm at end of day.

  • Alarm Code 154

    Status: yellow Check as Specified

    Description: Low Suction Pressure Switch Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 155

    Status: red Take Immediate Action

    Description: Lost CAN Communications to HMI

    Operator Action: Unit cannot operate and is shut down. Repair immediately.

  • Alarm Code 156

    Status: yellow Check as Specified

    Description: Check Suction/Liquid Heat Exchanger Bypass Valve

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 157

    Status: green OK to Run

    Description: OptiSet Plus Profile Mismatch

    Operator Action: Report alarm at end of day.

  • Alarm Code 158

    Status: green OK to Run

    Description: Primary Software Failed to Load

    Operator Action: Report alarm at end of day.

  • Alarm Code 159

    Status: green OK to Run

    Description: Check Battery Condition

    Operator Action: Report alarm at end of day.

  • Alarm Code 160

    Status: green OK to Run

    Description: Lost CAN Communications to Radio Expansion Board

    Operator Action: Report alarm at end of day.

  • Alarm Code 161

    Status: green OK to Run

    Description: Log DAS Real Time Clock Invalid (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 163

    Status: yellow Check as Specified

    Description: Emission Control Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 175

    Status: yellow Check as Specified

    Description: Check Electronic Expansion Valve (CR)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 176

    Status: yellow Check as Specified

    Description: Check Evaporator Pressure Sensor (CR)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 177

    Status: yellow Check as Specified

    Description: Check CO2 Tank Pressure Sensor (CR)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 178

    Status: yellow Check as Specified

    Description: Low CO2 Fuel Level (CR)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 180

    Status: yellow Check as Specified

    Description: TriPac Compressor Alarm

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 188

    Status: yellow Check as Specified

    Description: Log DAS Microprocessor Fault (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 203

    Status: yellow Check as Specified

    Description: Check Display Return Air Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 204

    Status: yellow Check as Specified

    Description: Check Display Discharge Air Sensor (Zone)

    Operator Action: Manually monitor temperature. Report alarm at end of day.

  • Alarm Code 216

    Status: green OK to Run

    Description: Check DAS Digital Inputs (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 233

    Status: green OK to Run

    Description: REB Switching Off, Conservative to Full Null

    Operator Action: Report alarm at end of day.

  • Alarm Code 234

    Status: green OK to Run

    Description: Check Relative Humidity Sensor Circuit

    Operator Action: Report alarm at end of day.

  • Alarm Code 235

    Status: green OK to Run

    Description: High Engine Coolant Temperature Check

    Operator Action: Report alarm at end of day.

  • Alarm Code 250

    Status: green OK to Run

    Description: DAS Clock Time Reset (DAS)

    Operator Action: Report alarm at end of day.

  • Alarm Code 251

    Status: green OK to Run

    Description: Check Radio Expansion Board Configuration

    Operator Action: Report alarm at end of day.

  • Alarm Code 252

    Status: green OK to Run

    Description: Check Auto Fresh Air Exchange Circuit

    Operator Action: Report alarm at end of day.

  • Alarm Code 253

    Status: green OK to Run

    Description: REB On Back Up Battery, Alarms Disabled

    Operator Action: Report alarm at end of day.

  • Alarm Code 254

    Status: green OK to Run

    Description: Check Auxiliary Coolant Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 500

    Status: yellow Check as Specified

    Description: Check Host Evaporator Blower Low Speed

    Operator Action: Not implemented

  • Alarm Code 501

    Status: yellow Check as Specified

    Description: Check Host Evaporator Blower High Speed

    Operator Action: Not implemented

  • Alarm Code 505

    Status: yellow Check as Specified

    Description: Check Roadside Condenser Fan Motor Speed Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 506

    Status: yellow Check as Specified

    Description: Check Curbside Condenser Fan Motor Speed Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 507

    Status: green OK to Run

    Description: Check Digital Scroll Output Circuit (Scroll Only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 508

    Status: green OK to Run

    Description: Speed Request Communication Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 509

    Status: yellow Check as Specified

    Description: ECU Failed to Enable

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 510

    Status: yellow Check as Specified

    Description: ECU Run Signal Failed

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 511

    Status: green OK to Run

    Description: Engine Wait to Start Time Delay Expired

    Operator Action: Report alarm at end of day.

  • Alarm Code 512

    Status: yellow Check as Specified

    Description: High Compressor Suction Pressure (Scroll Only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 513

    Status: yellow Check as Specified

    Description: Low Compressor Suction Ratio (Scroll Only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 514

    Status: yellow Check as Specified

    Description: Low Compressor Discharge Pressure (Scroll Only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 515

    Status: yellow Check as Specified

    Description: Minimum ETV Discharge Superheat Temp (Scroll)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 516

    Status: red Take Immediate Action

    Description: I/O Controller to Application Controller Com Failure

    Operator Action: The unit is no longer able to operate and has been shut down. Repair immediately.

  • Alarm Code 518

    Status: yellow Check as Specified

    Description: Generator Ground Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 519

    Status: yellow Check as Specified

    Description: Check Battery Charger Input Power

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 520

    Status: yellow Check as Specified

    Description: Check Battery Charger Output Power

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 521

    Status: yellow Check as Specified

    Description: Battery Charger External/Environmental Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 522

    Status: yellow Check as Specified

    Description: Battery Temperature Sensor Alarm

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 523

    Status: yellow Check as Specified

    Description: Battery Charger Indicated Conditions

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 524

    Status: yellow Check as Specified

    Description: Generator Op Limit Vout to Frequency Ration

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 525

    Status: yellow Check as Specified

    Description: Generator Frequency Range Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 526

    Status: yellow Check as Specified

    Description: Generator Operational Limit Output Current

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 528

    Status: yellow Check as Specified

    Description: Failed J1939 CAN Comm Base Controller/Charger

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 529

    Status: yellow Check as Specified

    Description: Check Fuel Pump Circuit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 530

    Status: yellow Check as Specified

    Description: Low Pressure Differential (Scroll only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 531

    Status: yellow Check as Specified

    Description: Check Economizer Pressure Sensor (Scroll only)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 538

    Status: yellow Check as Specified

    Description: Engine J1939 CAN Data Link Degraded

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 539

    Status: yellow Check as Specified

    Description: Engine J1939 CAN Data Link Failed

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 540

    Status: yellow Check as Specified

    Description: Illegal Engine Operating State

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 542

    Status: green OK to Run

    Description: Battery Charger Fault – Unit Forced to Low Speed

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 543

    Status: green OK to Run

    Description: Battery Charger Internal Short

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 544

    Status: green OK to Run

    Description: Battery Charger External Short

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 545

    Status: green OK to Run

    Description: Battery Charger Output Voltage Exceeded Limit

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 546

    Status: green OK to Run

    Description: Battery Charger Operating Bulk Voltage Out of Range

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 547

    Status: yellow Check as Specified

    Description: AC Bus Phase Loss

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 548

    Status: green OK to Run

    Description: Battery Charger Temperature Below Operating Range

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 549

    Status: green OK to Run

    Description: Battery Charger AC Input Overvoltage

    Operator Action: Maintenance information only. Report alarm at end of day.

  • Alarm Code 550

    Status: yellow Check as Specified

    Description: Battery Charger Internal Overvoltage Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 551

    Status: green OK to Run

    Description: Battery Charger Internal Temp Sensor Fault

    Operator Action:

  • Alarm Code 552

    Status: green OK to Run

    Description: Battery Charger Charging – Low Battery

    Operator Action:

  • Alarm Code 553

    Status: green OK to Run

    Description: Battery Charger Operating Derated Due to High temp

    Operator Action:

  • Alarm Code 599

    Status: green OK to Run

    Description: Engine Service Tool Connected

    Operator Action: Report alarm at end of day.

  • Alarm Code 600

    Status: green OK to Run

    Description: Check Crankshaft Speed Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 601

    Status: green OK to Run

    Description: Check Camshaft Speed Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 603

    Status: green OK to Run

    Description: Check Exhaust Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 604

    Status: green OK to Run

    Description: Check Coolant Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 605

    Status: green OK to Run

    Description: Check Fresh Air Temp Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 607

    Status: green OK to Run

    Description: Check Fuel Temperature Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 608

    Status: green OK to Run

    Description: Check Rail Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 609

    Status: green OK to Run

    Description: Check Intake Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 610

    Status: green OK to Run

    Description: Check Atmospheric Pressure Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 611

    Status: green OK to Run

    Description: Check Glow Plug Circuit

    Operator Action: Report alarm at end of day.

  • Alarm Code 613

    Status: green OK to Run

    Description: Check Injectors

    Operator Action: Report alarm at end of day.

  • Alarm Code 614

    Status: green OK to Run

    Description: Check High Pressure Fuel Pump

    Operator Action: Report alarm at end of day.

  • Alarm Code 615

    Status: yellow Check as Specified

    Description: Rail Pressure Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 616

    Status: yellow Check as Specified

    Description: Engine Overspeed

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 617

    Status: yellow Check as Specified

    Description: Internal ECU Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 618

    Status: green OK to Run

    Description: Check EGR System

    Operator Action: Report alarm at end of day.

  • Alarm Code 619

    Status: green OK to Run

    Description: ECU Main Relay Fault

    Operator Action: Report alarm at end of day.

  • Alarm Code 620

    Status: yellow Check as Specified

    Description: No RPM Detected During Start Attempt

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 623

    Status: green OK to Run

    Description: TRUCAN Message Timeout

    Operator Action: Report alarm at end of day.

  • Alarm Code 624

    Status: green OK to Run

    Description: Check EGR Temperature Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 625

    Status: green OK to Run

    Description: Check Intake Air Temperature Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 626

    Status: green OK to Run

    Description: Check Exhaust Temperature Sensor

    Operator Action: Report alarm at end of day.

  • Alarm Code 642

    Status: green OK to Run

    Description: ECU Forced Low Speed

    Operator Action: Report alarm at end of day.

  • Alarm Code 699

    Status: yellow Check as Specified

    Description: Unknown ECU Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 800

    Status: green OK to Run

    Description: Crankshaft Position Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 801

    Status: green OK to Run

    Description: Camshaft Position Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 804

    Status: green OK to Run

    Description: Engine Coolant Temperature Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 807

    Status: green OK to Run

    Description: Fuel Temperature Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 808

    Status: green OK to Run

    Description: Rail Pressure Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 809

    Status: green OK to Run

    Description: Intake Air Pressure Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 810

    Status: green OK to Run

    Description: Atmospheric Pressure Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 811

    Status: green OK to Run

    Description: Glow Plug Circuit Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 813

    Status: green OK to Run

    Description: General Injector Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 815

    Status: yellow Check as Specified

    Description: Fuel Pressure Regulator Error

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 818

    Status: green OK to Run

    Description: EGR Valve Actuator Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 819

    Status: green OK to Run

    Description: ECU Power Relay Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 825

    Status: green OK to Run

    Description: T1 Air Intake Temperature Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 826

    Status: green OK to Run

    Description: T2 Air Intake Temperature Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 827

    Status: green OK to Run

    Description: EGR Valve Position Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 828

    Status: green OK to Run

    Description: Lambda System Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 829

    Status: green OK to Run

    Description: Main ECU Relay Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 829

    Status: green OK to Run

    Description: Engine Communication Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 830

    Status: green OK to Run

    Description: Air Flow Meter Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 832

    Status: green OK to Run

    Description: Engine Power Supply Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 833

    Status: green OK to Run

    Description: High Pressure Pump Fuel Metering Unit Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 834

    Status: green OK to Run

    Description: Water in Fuel Sensor Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 836

    Status: green OK to Run

    Description: Major ECU Failures

    Operator Action: Report alarm at end of day.

  • Alarm Code 838

    Status: green OK to Run

    Description: Intake Air System Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 839

    Status: green OK to Run

    Description: Engine Speed Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 840

    Status: green OK to Run

    Description: Fuel Injection Energizing Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 841

    Status: green OK to Run

    Description: High Pressure Pump Wear

    Operator Action: Report alarm at end of day.

  • Alarm Code 842

    Status: green OK to Run

    Description: Engine Running in Safe Mode – Low Speed

    Operator Action: Report alarm at end of day.

  • Alarm Code 843

    Status: green OK to Run

    Description: Fuel Injection System Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 844

    Status: green OK to Run

    Description: Engine Failed to Crank

    Operator Action: Report alarm at end of day.

  • Alarm Code 845

    Status: green OK to Run

    Description: Starter Relay Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 846

    Status: green OK to Run

    Description: T50 Switch Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 847

    Status: green OK to Run

    Description: Variant Coding Error

    Operator Action: Report alarm at end of day.

  • Alarm Code 853

    Status: yellow Check as Specified

    Description: Engine Overspeed (No DTC)

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 854

    Status: yellow Check as Specified

    Description: Engine Protection Self Shutdown

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code 899

    Status: yellow Check as Specified

    Description: Unknown ECU Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code SOF

    Status: red Take Immediate Action

    Description: Microprocessor Software Failure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code tEP

    Status: red Take Immediate Action

    Description: Electric Standby Motor Thermal Protection Alarm

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code - C -

    Status: red Take Immediate Action

    Description: Communications Failure, Microprocessor to In-Cab Control Box

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code dr2

    Status: yellow Check as Specified

    Description: Door 2 Open/Door Switch 2 Failure

    Operator Action: Close door. Report alarm at end of day.

  • Alarm Code LP

    Status: red Take Immediate Action

    Description: Low Suction Pressure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code P1E

    Status: yellow Check as Specified

    Description: Return Air Temperature Sensor Fault

    Operator Action: Report alarm at end of day.

  • Alarm Code HP

    Status: red Take Immediate Action

    Description: High Discharge Pressure

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code dr1

    Status: yellow Check as Specified

    Description: Door 1 Open/Door Switch 1 Failure

    Operator Action: Close door. Report alarm at end of day.

  • Alarm Code OL

    Status: red Take Immediate Action

    Description: Electric Standby Overload

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code P2E

    Status: yellow Check as Specified

    Description: Remote Return Air Temperature Sensor Fault

    Operator Action: Report alarm at end of day.

  • Alarm Code bAt

    Status: red Take Immediate Action

    Description: Low Battery Voltage

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code tP4

    Status: red Take Immediate Action

    Description: Power Supply Thermal Protection Alarm

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code PSE

    Status: red Take Immediate Action

    Description: High Pressure Sensor Fault

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.

  • Alarm Code tCO

    Status: red Take Immediate Action

    Description: Electronic Control Module Internal Temperature Exceeds Limit

    Operator Action: If unit is shut down repair immediately. Otherwise, report alarm at end of day.