Thermo King Truck/Trailer Refrigeration Unit Error Alarm 104: Causes & Fixes
Check Remote Fan Speed (Zone)
Check Remote Fan Speed (Zone)
Check Receiver Tank Press Sol Circuit
Check Purge Valve Circuit
Controlling on Evap Coil Outlet Temp (CR)
Low Evaporator Coil Temperature (CR)
Low Heater Fuel Level (CR)
Heater Fan Failure (CR)
Check Fuel Level Sensor
High Compressor Pressure Ratio
Check Loader #2 Circuit
Low Fuel Level
Failed Remote Return Air Sensor (CR)
Sensor Grades Not Set (Zone)
Low Compressor Suction Pressure
Check Loader #1 Circuit
Check Electronic Throttling Valve (ETV) Circuit
Electric Overload
Check Electric Ready Input
Forced Unit Operation
Check Discharge Pressure Sensor
Check Suction Pressure Sensor
High Compressor Temp Shutdown
Low Engine Coolant Temp
Restart Null