OVERCRANK

UnclassifiedCooling

What This Code Means

Unit will not start in AUTO with utility loss; Unit does not start in MANUAL; Unit starts and runs rough

Possible Causes

  • Engine management module failing to start the engine
  • Engine overcrank condition
  • Fuel line shutoff valve is OFF

Suggested Actions

  1. 1Check LEDs / screen for alarms
  2. 2Check engine management module configuration and functionality
  3. 3Clear alarm
  4. 4If it does not start, or starts and runs rough, contact an IASD (Independent Authorized Service Dealer)
  5. 5Start unit in MANUAL
  6. 6To clear an active alarm, press the OFF button, the EN TER button, and then press AUTO. If the alarm reoccurs, contact an IASD.
  7. 7Verify fuel line shutoff valve is ON

ASK RUDY ABOUT THIS FAULT

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

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