Fault Codes/Rehlko/BATT CHG FLT WRehlkoBATT CHG FLT WUnclassifiedElectricalWhat This Code MeansBattery charger fault warningPossible Causes•Fault input signal to PIM from an external battery chargerSuggested Actions1Check external battery chargerRelated Rehlko Fault CodesBATT CHG FLT WARNINGBATTERY BACKUP LOWALT PROTECT SHUTDWNBATTERY BACKUP LOW WARNINGAGS-10BATTERY CRLOADC-RESBATTERY CRLO WARNING WAC SENS LOSS W(1SEC.) SD (3 SEC.) *BATTERY HIGHAC SENS LOSSBATTERY HIGH WBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for BATT CHG FLT W on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about BATT CHG FLT WGET THE ANSWERFree account required — we'll bring your question with you.