Thermo King Alarm 127: Setpoint Not Entered (Zone)
Alarm 127 is listed as 'Setpoint Not Entered (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Error Codes
Browse published fault-code records by brand, product and displayed code.
Each record starts with the source meaning, then separates applicability, owner-safe actions, operating uncertainty and qualified-service boundaries. A matching code string alone is not enough: confirm the brand, product, model and controller before acting.
Thermo King Alarm 128: Engine Run Time Maint Reminder #1/Service Due
Alarm 128 is listed as 'Engine Run Time Maint Reminder #1/Service Due' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 129: Engine Run Time Maint Reminder #2
Alarm 129 is listed as 'Engine Run Time Maint Reminder #2' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 130: Engine Run Time Maint Reminder #1
Alarm 130 is listed as 'Engine Run Time Maint Reminder #1' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 131: Electric Run Time Maint Reminder #2
Alarm 131 is listed as 'Electric Run Time Maint Reminder #2' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 132: Total Unit Run Time Maint Reminder #1
Alarm 132 is listed as 'Total Unit Run Time Maint Reminder #1' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 133: Total Unit Run Time Maint Reminder #2
Alarm 133 is listed as 'Total Unit Run Time Maint Reminder #2' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 134: Controller Power On Hours
Alarm 134 is listed as 'Controller Power On Hours' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 135: Check Spare Digital Inputs
Alarm 135 is listed as 'Check Spare Digital Inputs' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 137: Check Spare Digital Outputs
Alarm 137 is listed as 'Check Spare Digital Outputs' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 138: Log DAS Real Time Clock Battery Failure (DAS)
Alarm 138 is listed as 'Log DAS Real Time Clock Battery Failure (DAS)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 139: Abort Evacuation Mode
Alarm 139 is listed as 'Abort Evacuation Mode' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 141: Auto Switch Diesel to Electric Disabled
Alarm 141 is listed as 'Auto Switch Diesel to Electric Disabled' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 142: Check Thermax Valve
Alarm 142 is listed as 'Check Thermax Valve' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 143: Check Remote Drain Hose Heater Output (Zone)
Alarm 143 is listed as 'Check Remote Drain Hose Heater Output (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 144: Lost CAN Communications to Expansion Module
Alarm 144 is listed as 'Lost CAN Communications to Expansion Module' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 145: Lost Controller ON Feedback Signal
Alarm 145 is listed as 'Lost Controller ON Feedback Signal' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 146: Software Version Mismatch
Alarm 146 is listed as 'Software Version Mismatch' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 147: Check Multi-Temp Fan Speed Control Output (Zone)
Alarm 147 is listed as 'Check Multi-Temp Fan Speed Control Output (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 148: Auto Switch Electric to Diesel Disabled
Alarm 148 is listed as 'Auto Switch Electric to Diesel Disabled' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 149: Alarm Not Identified
Alarm 149 is listed as 'Alarm Not Identified' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 150: Sensor Out of Range Low (DAS and HMI) (Zone)
Alarm 150 is listed as 'Sensor Out of Range Low (DAS and HMI) (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 151: Sensor Out of Range High (DAS and HMI) (Zone)
Alarm 151 is listed as 'Sensor Out of Range High (DAS and HMI) (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 152: DAS Failed Sensor (DAS)
Alarm 152 is listed as 'DAS Failed Sensor (DAS)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01