DFMD Dometic furnace issue
Experiencing furnace issues similar to Areveethereyet. My Thor FourWinds was a new left over last fall and recently tried to use the furnace to no avail, luckily I had an electric heater as backup. Fan comes on like normal and burner fires then goes out, this will happen on a repetitive basis. Recently stopped at a wayside that was extremely windy, furnace was into the wind and would not fire at all. As a test turned MH around and bingo furnace worked flawlessly. Immediately thinking negative atmospheric pressure, combustion air adjustment? I’ll have to figure this out solo as there are no local Dometic repair facilities nearby so any input will be greatly appreciated. Thanks Rob
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