How to troubleshoot electronic board on WH?
Suddenly this morning DW went to take hot shower and the water was only warm, what is from yesterdays sun. It is Suburban WH and shows red light on control panel all the time. I bypassed thermo swit...
Forum Discussion
Is it a potted board where you can't see components or a newer board where the soldered components can be seen? Atwood has some simple checks with a multi meter to check the board I would think Suburban has something similar. Also do you have 12v coming into the WH? 12v coming out of the board to the Tstat? Sometimes plug to board get dirty cleaning contacts has worked for me in the past as well as cleaning grounds especially the one on the gas valve that is difficult to see. Also check the thermal fuse I have replaced two that have gone bad.
