Bob Wightman Posted September 11, 2023 Share Posted September 11, 2023 Hello Group. Recently I had a problem with the electrical supply to my coach that damaged the Norcold 1200LRIM refrigerator. After troubleshooting to what parts were bad and replacing them I still had the "no co" code. I have the 628661 control board and had a great deal of difficulty finding the procedure for resetting this newer model board, finally found it and wanted to share it with the group, BTW this link will show how to reset the older and newer control boards. https://rvfridgeguys.com/blog/norcold-refrigerator-in-lockout-mode-do-you-need-to-reset-your-power-board-/. Link to comment Share on other sites More sharing options...
cbr046 Posted September 11, 2023 Share Posted September 11, 2023 Other people had tried to get my daughter's N621 Norcold running to no avail. I'm not sure what they tried, but they were stumped. So I drove from GA to TX to do this "reset". Been working fine since. - bob Link to comment Share on other sites More sharing options...
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