Fault Codes/Rehlko/LRCRehlkoLRCUnclassifiedElectricalWhat This Code MeansEngine shutdown; Loss of voltage regulator communicationPossible Causes•No communication between controller and voltage regulatorSuggested Actions1Contact an authorized distributor/dealer for serviceRelated Rehlko Fault CodesLVOULO CRANK VLT WARNINGOVERTEMP FAULTLO CRANK VLTREACTIVE POWER LOWLBREAL POWER HIGHHVREAL POWER LOWHBREPLACE CLOCK BATTERYBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for LRC on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about LRCGET THE ANSWERFree account required — we'll bring your question with you.