Fault Codes/Rehlko/BYPASS CONTACTOR DISRehlkoBYPASS CONTACTOR DISUnclassifiedTransfer SwitchWhat This Code MeansBypass Contactor Dis condition activePossible Causes•Bypass/Isolation switches conditionRelated Rehlko Fault CodesCHECK ATS COMERRORCHECK MODULE SETUP TO CLEAR FAULTBUSLIVEDEADCONTACTOROKAUXILIARYSWITCHOPENFAUX SWITCH OPENFAIL TO OPEN SOURCE1ATS PHASEROT WFAIL TO OPEN SOURCE2ATS FAIL XFRFALLA DE ATSBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for BYPASS CONTACTOR DIS on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about BYPASS CONTACTOR DISGET THE ANSWERFree account required — we'll bring your question with you.