We have a Suburban water heater. It worked fine for the first 2 years. This time out,as soon as I hit the switch,it goes to DSI fault.I tried the reset but that didn't work. Gas supply is fine. Any su...
Suburban did have some control boards that failed. As some trouble shooting, Did you press the reset buttons for both 12VDC and 120VAC? Have you confirmed you have 120VAC Have you confirmed you have 120VAC past the crappy outside switch? Have you confirmed you have the tank full of water?
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