Fault Codes/Rehlko/LOWBATTERYRehlkoLOWBATTERYUnclassifiedElectricalWhat This Code MeansLow battery voltage on external batteryPossible Causes•Battery needs to be replaced•Low voltage on external battery connected to the EBSMSuggested Actions1Replace battery (see Section 4.3.2 for instructions)Related Rehlko Fault CodesLOWBATTERYVOLTAGELRCLOW/WEAK BATTERYLVLOW BACKUP BATTERYOULO CRANK VLT WARNINGOVERTEMP FAULTLO CRANK VLTOVERVOLTAGEL1--L2LBOVERVOLTAGEL2--L3Browse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for LOWBATTERY on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about LOWBATTERYGET THE ANSWERFree account required — we'll bring your question with you.