Okay, doing our due diligence, we popped off the Dometic control panel off the wall to check for loose wires. The "wires" that are in the control panel is actually like a phone cord or a Cat 5 cord. This one wire/cord connects to the back of the control panel circuit board and then goes through a small hole into the bowels of the basement. I assume it is going to the furnace, and both air conditioners.
I also went out and closed both propane tanks for a minute or two, and then reopened them slowly. Nothing changed.
Totally stumped now.
Joe
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