Common Causes of Thermo King Code 63 and 84. The Thermo King code 63 and 84 can be caused by various factors. One common cause is a malfunctioning fuel solenoid, which may need to be replaced with a genuine Thermo King part. Other possible causes include issues with the RPM sensor, controller, ground connection, or wiring between the solenoid.. The Alarm Code 63 in Thermo King equipment indicates an unexpected engine shutdown that powers the compressor of the refrigeration system. This issue can arise due to various causes, primarily related to the fuel injection system, engine condition, or electrical and mechanical components. Below are the possible solutions and steps to address this alarm. Main… Read More »Alarm 63 on Thermo.
See all current Thermo King truck, trailer, CR, DAS and DSR alarm codes. Alarm codes with parenthesis (XX) may exist with alarm code 84 and may clear automatically.. Thermo King Alarm Codes - North America.. (63) (63) Status: Red = Take Immediate Action Description: Engine or Vapor Motor Stopped.. Hey Drivers! Need some feedback, how many of you have a ThermoKing Precedent C-600 and had an Alarm code 63?? I'm having big issues with mine costing me so much down time and the unit is only 1200 hrs old, ThermoKing had the opportunity to fix it 5 times in 3 different ThermoKing locations around the states and still shutting down.