Fault Codes/Generac/PROBLEM 14GeneracPROBLEM 14UnclassifiedSpeedWhat This Code MeansRPM Sense Loss; DMM indicates 0/L OPEN circuit; DMM indicates INFINITY on Wire 18Possible Causes•Damaged, broken, or open Wire 18 between the magneto connector and the controller connectorSuggested Actions1Repair or replace Wire 18 between the magneto connector and the controller connectorRelated Generac Fault CodesR-200BUNDERSPEEDOVERSPEED LEDOVERSPEEDOVERCRANK LEDNO CRANK SIGNALNO CAM SIGNALMIL CODEIGNITION MODULE FAULT INDICATOR015330012976005394Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for PROBLEM 14 on your specific Generac unit — cited to the OEM manual, not a forum guess.TRY IT FREE