Fault Codes/Generac/1000Generac1000UnclassifiedGeneralWhat This Code MeansConfiguration MismatchPossible Causes•Voltage configuration set in controller does not match voltage configuration for installed Voltage Configuration Cartridge (VCC).Related Generac Fault Codes100510065061048505-J41053505105550410585031059Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1000 on your specific Generac unit — cited to the OEM manual, not a forum guess.Your question about 1000GET THE ANSWERFree account required — we'll bring your question with you.