Fault Codes/Rehlko/VOLTAGE L1 - L2 LOWRehlkoVOLTAGE L1 - L2 LOWUnclassifiedElectricalWhat This Code MeansUnder Voltage Paralleled warning displayedSuggested Actions1Press AUTO or OFF to clear the warning (Pressing OFF will stop the generator set)2Contact an authorized dealer for paralleling system installation, startup, troubleshooting, or serviceRelated Rehlko Fault CodesVOLTAGE L1-L2 HIGHVOLTS L1 - L2 HIGHVOLTS L1 - L2 LOWUUVOLTS L1-L2 HIGH SDUNDERVOLTAGEVOLTS L1-L2 LOW SDUNDERSPEEDUNDERFREQUENCYUL 94 HF1UFBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for VOLTAGE L1 - L2 LOW on your specific Rehlko unit — cited to the OEM manual, not a forum guess.TRY IT FREE