3003

UnclassifiedFuel

What This Code Means

ECU not running at commanded speed; ECU not operating on the commanded Fuel Type; Hardware Match Error; Shutdown alarms will be inhibited

Possible Causes

  • •Speed Command Mismatch
  • •Fuel Command Mismatch
  • •SPN/FMI not supported by Genset Controller
  • •Shutdown Inhibit is enabled and active

Suggested Actions

  1. 1Disable feature

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 3003 on your specific Generac unit — cited to the OEM manual, not a forum guess.

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