00246
Carrier Transicold
Critical

EEPROM Write Failure

Critical write failure in the non-volatile memory (EEPROM) of the controller.

Possible causes

  • Permanently damaged memory chip
  • Severe electromagnetic interference
  • Internal software conflict

Recommended actions

  • Completely reset the unit
  • Attempt to load factory default values
  • Verify supply voltages to the microprocessor
  • Replace the main APX controller

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