820 StarCool Alarm Codes

820 Hevap current ON
Description Evaporator Heater On Current Fault
Cause Indication of defective heater(s) or defective supply cables to heater
Trouble
shooting		 Possible causes

  • Check contactor
  • Heaters defective.
  • Heater power cable defective.
Trouble shooting:
  1. Check voltage in/out of heater contactor, for all 3 phases.
  2. Try to correct the error by uploading the latest software version to the controller.
  3. Check the power cable for the heaters for defects. Replace cables if they are defective.
  4. The heater(s) are defective. Dismount the power for the heaters one by one to find the defective heater, see wiring schematics inside in the controller cabinet. Replace the defective heater.
Criteria Evaporator heater has exceeded on current limit

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