Fault Codes/Generac/OVERSPEEDGeneracOVERSPEEDUnclassifiedSpeedWhat This Code MeansUnit will not start in AUTO with utility lossSuggested Actions1Check LEDs / screen for alarms2Contact an IASD (Independent Authorized Service Dealer)Related Generac Fault CodesOVERSPEED LEDPROBLEM 14OVERCRANK LEDR-200BNO CRANK SIGNALUNDERSPEEDNO CAM SIGNALMIL CODEIGNITION MODULE FAULT INDICATOR015330012976005394Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVERSPEED on your specific Generac unit — cited to the OEM manual, not a forum guess.TRY IT FREE