Fault Codes/Generac/1057Generac1057UnclassifiedElectricalWhat This Code MeansGenerator overvoltage >265 VrmsPossible Causes•The generator has been overloaded•The generator has started into a severe loadSuggested Actions1Check for overload conditions on startup2Open MLCB and retest unitRelated Generac Fault Codes180219021056190310521904105119051050190610491907Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1057 on your specific Generac unit — cited to the OEM manual, not a forum guess.Your question about 1057GET THE ANSWERFree account required — we'll bring your question with you.