C

UnclassifiedElectrical

What This Code Means

Battery Fault alarm active; Battery Fault LED active

Possible Causes

  • Battery disconnected
  • Battery polarity reversed
  • Mismatched charger and battery voltage
  • Open or high resistance charger to battery connection
  • Open battery cell or excessive internal resistance

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for C on your specific Blue Star Power Systems unit — cited to the OEM manual, not a forum guess.

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