Fault Codes/Rehlko/34Rehlko34UnclassifiedGeneralWhat This Code MeansFault #1Possible Causes•External faultRelated Rehlko Fault Codes3535A33363138303929402840ABrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 34 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about 34GET THE ANSWERFree account required — we'll bring your question with you.