Fault Codes/Controls, Inc./OVER SPEEDControls, Inc.OVER SPEEDUnclassifiedGeneralWhat This Code MeansRed LED illuminates; Engine stops; Controller opens run circuit; Fault message is displayedPossible Causes•Low Oil Pressure (> 15 PSI for 5 Seconds)•High Engine Temp (< 225 F for 5 Seconds)•Low Fuel Level (< 1% for 5 Seconds)•Over Speed (< 67.0 for 1 Second)•Over CrankSuggested Actions1Perform a manual reset by placing the Auto / Off / Run toggle switch back in the OFF position2Power cycle the controller to clear the faultRelated Controls, Inc. Fault CodesOVER CRANKLOW OIL PRESSURELOW FUEL LEVELHIGH ENGINE TEMPBrowse all Controls, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVER SPEED on your specific Controls, Inc. unit — cited to the OEM manual, not a forum guess.TRY IT FREE