Thermo King Truck/Trailer Refrigeration Unit Error Alarm 24: Causes & Fixes
Heating Cycle Fault (Zone)
Browse published troubleshooting notes by brand, product, and error code.
Heating Cycle Fault (Zone)
Alternator Check
Check Refrigeration Capacity (Zone)
Cooling Cycle Check (Zone)
Heating Cycle Check (Zone)
Cooling Cycle Fault (Zone)
High Engine Coolant Temperature
Low Engine Oil Pressure
Engine (Vapor Motor CR) Failed to Start
Check Glow Plugs or Intake Air Heater
Manual Start Not Completed
Engine Failed to Crank
Sensor or Digital Input Shutdown (Zone)
Sensor Check (Zone)
Defrost Terminated by Time
High Evaporator Temperature (Zone)
High Discharge Pressure (or Temperature)
Unit or Zone Controlling on Alternate Sensor (Zone)
Check Coolant Temp Sensor
Check Engine RPM Sensor
Unit Running on Coil Sensor (Zone)
Error occurs when the device accelerates or brakes and the centrifuge brakes.
Voltage drop while actuator is on.
Overvoltage.