Fault Codes/Rehlko/OVER FREQUENCYRehlkoOVER FREQUENCYUnclassifiedGeneralWhat This Code MeansSource frequency above dropout settingPossible Causes•Source frequency is above the overfrequency dropout settingRelated Rehlko Fault CodesOVERCRANK SAFETYOVERCRANKSHUTDOWNOB1 COM LOSSOVERFREQUENCYNOT IN AUTO WARNINGOVERSPEEDNOT IN AUTO WOVERVOLTAGENORMSRCUNAVLOVERVOLTAGE FAULTNO CURRENT SHUTDOWNOVSBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVER FREQUENCY on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about OVER FREQUENCYGET THE ANSWERFree account required — we'll bring your question with you.