114
Thermo King
Critical

Multiple Alarms - Can Not Run (Zone)

The zone has shut down due to the accumulation of multiple simultaneous critical alarms.

Possible causes

  • General power supply failure in the zone
  • Massive sensor error
  • Short circuit in the main zone harness
  • Critical zone microprocessor failure

Recommended actions

  • Identify all active alarms in the controller
  • Check communication harness between unit and zone
  • Verify main electrical system integrity
  • Repair the primary fault to clear secondary ones

Can't find your code? Talk to an expert

$150

One-on-one phone session with a Low Temp refrigeration tech. Emergency temporary assistance only.

Have a question? Ask the community

Thousands of refrigeration mechanics read and answer for free. Post your case in under 1 minute.

Need a professional diagnosis?

Low Temp Service — refrigeration experts in Florida.

Contact us