850 StarCool Alarm Codes

850 PTI test failed
Description PTI Test Fault
Cause Normal function will be affected
Trouble
shooting		 Possible causes:
  • There is one or more alarms.
Trouble shooting:
  1. Try to correct the error by uploading the latest software version to the controller.
  2. There are other AL 8XX alarms. Check and clear the other alarms first. Then a new PTI test can be run.
Criteria One or more of the individual PTI test steps have failed

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