Fault Codes/Rehlko/E MODERehlkoE MODEUnclassifiedGeneralWhat This Code Means"e Mode" message on controller displayPossible Causes•Incorrect DIP switch settingSuggested Actions1Check the DIP switch settingRelated Rehlko Fault CodesE-STOPE01E 88E02EE03DWN ARE04DC 2100E05CURRENT A HIGH WARNINGE06Browse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for E MODE on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about E MODEGET THE ANSWERFree account required — we'll bring your question with you.