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.
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 2026-05-01Alarm 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 2026-05-01Alarm 47 is listed as 'Remote Sensor Shutdown' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 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 2026-05-01Alarm 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 2026-05-01Alarm 50 is listed as 'Reset Clock' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 51 is listed as 'Check Shutdown Circuit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 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 2026-05-01Alarm 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 2026-05-01Alarm 54 is listed as 'Test Mode Timeout' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 55 is listed as 'Check Engine Speeds' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 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 2026-05-01Alarm 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 2026-05-01Alarm 61 is listed as 'Low Battery Voltage' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 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 2026-05-01Alarm 63 is listed as 'Engine or Vapor Motor Stopped' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 64 is listed as 'Pretrip Reminder' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 65 is listed as 'Abnormal Temperature Differential (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 66 is listed as 'Low Engine Oil Level' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 67 is listed as 'Check Liquid Line Solenoid Circuit (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 68 is listed as 'Internal Controller Fault Code' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 70 is listed as 'Hourmeter Failure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 71 is listed as 'Hourmeter 4 Exceeds Set Time Limit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 72 is listed as 'Hourmeter 5 Exceeds Set Time Limit' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01