Forum Discussion

BengalBus's avatar
BengalBus
Explorer II
Dec 05, 2024

SF42 Furnace Running - will Heat for a few minutes then cold

Our furnace is running/blowing- will blow hot air for a few minutes then turns to cold air.  Propane is working - can light stove burners no issue.  Bypassed sail switch and same issue.  Anyone exper...
way2roll's avatar
way2roll
Navigator II
Dec 06, 2024

have you tried simply resetting it? I had your scenario happen once. Turned it off at the Tstat, or pulled the fuse (can't remember which) , waited a minute, turned it back on and it worked fine. 

BengalBus's avatar
BengalBus
Explorer II
Dec 06, 2024

Yes- we have- he has just taken it all apart- tested the temperature coupler- it's fine- so next two things are the propane regulator and the control modluler- not sure if those can be tested!

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,188 PostsLatest Activity: Jan 17, 2025