lkrone5 Posted November 23, 2018 Report Share Posted November 23, 2018 when turned on heater does a light and display check then show it's version code then all goes plank. I have replaced most sensors and went thru the trouble shooter guide I have 24 volts at the firemen switch, tried jumping pins at J6 but get no lights and the unit wont fire. Somehow I feel I'll end up replacing the control board and the same thing will happen. What would you suggest first Quote Link to comment Share on other sites More sharing options...
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