First times using the Atwood furnace in our 2019 372rd. It runs for 3 minutes, warm air, then the fire shuts off. The blower continues a minute or so more I guess to cool it down. I read another post about thermostat wires under a dome but I havenít found that I have it. It is very consistent at 3 minutes so I donít think it could be the getting warm and shutting off. Any suggestions?
Ken & Margaret
Could be a bad thermocouple. Sometimes they act like this. I had a fireplace that would stay lit for 5-10 minutes then cut off. Super frustrating. Finally figured out that the thermocouple wasn't quite in the flame enough.
Start with the self resetting fuse (funny looking black one) in your fuse panel.
You can swap it with a regular 15A blue one for troubleshooting. In mine there is a couple of spares at the end of the row.
The blue ones have thinner blades. You may need to give the blades a little twist to make good contact.