524 StarCool Alarm Codes And Actions

524 FC current limit
Description FC Current Limit Fault Warning
Cause Indication of problems with compressor. Error may be seen during pull-down
Trouble
shooting		 Possible causes:
  • The compressor motor draws too much current.
  • Defective FC.
Accompanied alarms:
  • One or more AL 5XX may also be active. Check these alarms also before replacing anything.
Trouble shooting:
  1. The compressor motor draws too much current from the FC. The motor may be jammed or defective.
  2. Turn off unit and wait 10 min. before turning the unit on again.
  3. If the compressor cannot run or runs very shortly before this alarm appears again, the compressor is defective and must be replaced.
  4. If the compressor can run several min. without alarm, the FC may be defective and must be replaced if the alarm appears again.
If no FC replacement is available, the unit can be rewired for emergency
operation: See “Emergency Operation” p. 50
Criteria Motor current above 24 Amp for approx. 10 sec

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