Fault Codes/Rehlko/BATTERY HIGH WARNINGRehlkoBATTERY HIGH WARNINGUnclassifiedElectricalWhat This Code MeansHigh battery voltageRelated Rehlko Fault CodesBATTERY LOW WARNINGBATTERY VOLTAGE HIGH WBATTERY HIGHBATTERY VOLTAGE LOW WBATTERY CRLOBCFBATT CHG FLT WARNINGBUSDEADLIVEALT PROTECT SHUTDWNCFGMODELNUMAGS-10CFGSYSVOLTBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for BATTERY HIGH WARNING on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about BATTERY HIGH WARNINGGET THE ANSWERFree account required — we'll bring your question with you.