Furnace Burner

[Cooter]

The furnace in our 2017 379RD High Country is not working properly. The blower comes on as required, but I can hear the burner cut in and out several times. Eventually it run continuously. Anyone have a similar issue? Anyone have a correction?
Thanks

[DQDick]

You may have a bug web in there that's partually restricting the gas flow and/or you may have an issue with the sail switch.

[Slow Hand]

If you run it out of fuel or change bottles it will do that. You need to ourge the lines. What I do is when I switch bottles I open the new bottle then close the used bottle then switch the valve to the fresh bottle. Then I light the stove to make sure I got gas there.. That solved the same problem you are having. When the bottle gets low the furnace is designed not to work so you have gas to run the fridge. Mined has done this till I figured my procedure out.

[Harrisden54]

I have a 2019 HC 384BR and had a very similar problem. Burner would light and go out. After troubleshooting for a few days I pulled the burner and water ran out of the combustion area. Atwood/Dometic is familiar with this problem of water geting into the burner areas on vertically mounted furnaces. They sent a new burner, oriface and shield to replace the corroded parts.
Unfortunately they don't have a remedy for the water getting into the burner area through the exhaust port. They said they will replace the parts when it happens again.
I installed a makeshift dryer vent cover over the exhaust and have not had a problem since.

[Cooter]

Thank You, I will check those

[Cooter]

Thanks Slowhand
I will check that out

[Cooter]

Thanks
I will try your proceedure