005394

UnclassifiedSpeed

What This Code Means

Engine cranking; Nexus controller in AUTO

Possible Causes

•Utility failure

Suggested Actions

1Troubleshoot utility power

Related Generac Fault Codes

012976 015330 002634 IGNITION MODULE FAULT INDICATOR 1301 MIL CODE 1208 NO CAM SIGNAL 1007 NO CRANK SIGNAL 0C5969 OVERCRANK LED

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Get a diagnosis walkthrough for 005394 on your specific Generac unit — cited to the OEM manual, not a forum guess.