Atwood Furnace
I'm a little frustrated with my Atwood furnace. I have a 2018 5th wheel that I bought at the RV show in Sacramento. I hit the road to Arizona and almost immediately had trouble with the furnace. Fo...
Forum Discussion
BFL13 wrote:
Old-Biscuit said in my Atwood: (see link in my post after the OP)
"Mid...2 White Wires going into motor cover....Sail Switch, when it closes the DC from Sail Switch goes to High Temp Limit Switch and then to circuit bd via connector"
In the OP you said after they changed the main board it worked for a year until they changed the sail switch.
So the suspect would be the wiring they did for the sail switch?
Possible, but I would change the Hi Limit switch. THEN that takes the Hi limit switch out of the possible problem. It is almost impossible for a sail switch to close then open in operation(killing the signal to stay running the burner) and then close again. Flame On and Off after running for a few minutes is almost 100 percent the Hi limit switch. Usually the Hi limit on this model, it sticks OPEN and does not allow the furnace to fire. Doug
