Fault Codes/Generac/1005Generac1005UnclassifiedGeneralWhat This Code MeansConfiguration MismatchPossible Causes•Voltage configuration set in controller does not match voltage configuration for installed Voltage Configuration Cartridge (VCC).Related Generac Fault Codes10062100100021095062111505-J42112505002403 (000192)504002463Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1005 on your specific Generac unit — cited to the OEM manual, not a forum guess.TRY IT FREE