Furnace
I have a 2018 fleetwood bounder the rear furnace quit working last year it did the same thing this year I replaced the borde last year and it worked ,now I an looking at the board and it has a red...
Forum Discussion
sssooo wrote:
Thank you guys for putting up with my ignorance I come to the conclusion it is 1blink then 3sec.
Code says ir limit switch or air flow I think it’s limit switch
My bad
With the blower not working and it not trying to light would that point to the limit switch?
NO.....
Limit switch is a HIGH Temp Limit switch that trips OPEN if Heat Exchanger overheats
Sail Switch Closes WHEN fan comes up to speed
No Fan starting....1x 3 sec limit switch/airflow
Sounds like Sail Switch is Stuck CLOSED.
Circuit Board will NOT allow any functions to occur when Sail Switch is CLOSED before Fan Runs
