Fault Codes/Rehlko/PHASELOSSRehlkoPHASELOSSUnclassifiedGeneralWhat This Code MeansPHASELOSSPossible Causes•One or more phases not detectedRelated Rehlko Fault CodesPHASEROTATIONERRORRDO--01PEAKSHAVEMODERDO--02P0300RDO--04P1-10RDO--07OVSRDO--09OVERVOLTAGE FAULTREACTIVE POWER LOW WARNINGBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for PHASELOSS on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about PHASELOSSGET THE ANSWERFree account required — we'll bring your question with you.