519 StarCool Alarm Codes And Actions

519 FC internal
Description Frequency converter high voltage fault warning
Cause Indication of problems with supply voltage
Trouble
shooting		 Possible causes:
  • Defective FC
Accompanied alarms:
  • There may be other AL 5XX alarms.
Trouble shooting:
  1. The FC repports an internal failure. See if there should be other FC alarms (AL 5XX) and if they can be removed fi rst.
  1. Turn of the unit off for 10 min. and then start again. If this alarm becomes active again, the FC has a permanent internal fault and must be replaced.
If no FC replacement is available, the unit can be rewired for emergency operation: See Emergency Operations p.50
Criteria Internal error in FC
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