Fault Codes/Rehlko/AC SENS LOSS WARNINGRehlkoAC SENS LOSS WARNINGUnclassifiedGeneralWhat This Code MeansAC sensing lossRelated Rehlko Fault CodesACCY PWROVER WARNINGADAC SENS LOSS SHUTDWNAHETA-227600AL.N516667 31AL.U516666 1ALOP516663 31ATS EXERCISE NOT SCHEDULEDBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for AC SENS LOSS WARNING on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about AC SENS LOSS WARNINGGET THE ANSWERFree account required — we'll bring your question with you.