Fault Codes/Generac/OVERSPEED REDGeneracOVERSPEED REDUnclassifiedStartingWhat This Code MeansUnit will not start in AUTO with utility lossSuggested Actions1Check the LEDs / screen for alarms2Contact an IASDRelated Generac Fault CodesRPM SENSE LOSSSLOW-START ALARMOVERCRANK REDSOLID FAULT WARNING ON DISPLAYNOT ACTIVATEDSTEPPER OVERCURRENT REDMISWIREUNDERSPEED REDMILUNDERVOLTAGE REDLOW VOLTS REMOVE LOAD REDLOW TEMP WARNING ICON ON DISPLAYBrowse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVERSPEED RED on your specific Generac unit — cited to the OEM manual, not a forum guess.TRY IT FREE