Fault Codes/Generac/OVERVOLTAGEGeneracOVERVOLTAGEUnclassifiedElectricalWhat This Code MeansUnit will not start in AUTO with utility lossPossible Causes•Overvoltage•Overvoltage conditionSuggested Actions1Check the LEDs / screen for alarms2Contact an IASD3Contact servicing dealerRelated Generac Fault CodesRED (FAULT) LEDUNDER VOLTAGELOW FUEL (20%)UNDERVOLTAGELOW FUEL (10%)LOW BATTERY WARNINGLOW BATTERY ALARMLOW BATTERYINSPECT BATTERY ALARMINSPECT BATTERYFIRMWARE ERROR-9CHARGER WARNING WARNINGBrowse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVERVOLTAGE on your specific Generac unit — cited to the OEM manual, not a forum guess.Your question about OVERVOLTAGEGET THE ANSWERFree account required — we'll bring your question with you.