Thermo King Alarm 36: Electric Motor Failed to Run
Alarm 36 is listed as 'Electric Motor Failed to Run' 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 37: Check Engine Coolant Level
Alarm 37 is listed as 'Check Engine Coolant Level' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 38: Electric Phase Reversed
Alarm 38 is listed as 'Electric Phase Reversed' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 39: Check Water Valve Circuit
Alarm 39 is listed as 'Check Water Valve Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 40: Check High Speed Circuit
Alarm 40 is listed as 'Check High Speed Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 41: Check Engine Coolant Temp
Alarm 41 is listed as 'Check Engine Coolant Temp' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 42: Unit Forced to Low Speed
Alarm 42 is listed as 'Unit Forced to Low Speed' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 43: Unit Forced to Low Speed Modulation
Alarm 43 is listed as 'Unit Forced to Low Speed Modulation' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 44: Check Fuel System
Alarm 44 is listed as 'Check Fuel System' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 45: Check Hot Gas or Hot Gas Bypass Circuit
Alarm 45 is listed as 'Check Hot Gas or Hot Gas Bypass Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 46: Check Air Flow (Zone)
Alarm 46 is listed as 'Check Air Flow (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 47: Remote Sensor Shutdown
Alarm 47 is listed as 'Remote Sensor Shutdown' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 48: Check Belts or Clutch
Alarm 48 is listed as 'Check Belts or Clutch' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 49: Check Spare Sensor 1
Alarm 49 is listed as 'Check Spare Sensor 1' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 50: Reset Clock
Alarm 50 is listed as 'Reset Clock' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 51: Check Shutdown Circuit
Alarm 51 is listed as 'Check Shutdown Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 52: Check Heat Circuit (Zone)
Alarm 52 is listed as 'Check Heat Circuit (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 53: Check Economizer Valve Circuit
Alarm 53 is listed as 'Check Economizer Valve Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 54: Test Mode Timeout
Alarm 54 is listed as 'Test Mode Timeout' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 55: Check Engine Speeds
Alarm 55 is listed as 'Check Engine Speeds' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 56: Check Evaporator Fan Low Speed (Zone)
Alarm 56 is listed as 'Check Evaporator Fan Low Speed (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 57: Check Evaporator Fan High Speed (Zone)
Alarm 57 is listed as 'Check Evaporator Fan High Speed (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 61: Low Battery Voltage
Alarm 61 is listed as 'Low Battery Voltage' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 62: Ammeter Out of Calibration
Alarm 62 is listed as 'Ammeter Out of Calibration' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01