Furnace Burner Cycling at startup
My 2016 Montana High Country has an Atwood/Dometic furnace, model AFMD35131-A. Whenever I turn the furnace on (or it comes on based upon the thermostat setting), the burner will cycle on and off seve...
Forum Discussion
OP...you have enough discharge ducts.
How is airflow from each register...lacking could be sign of collapsed duct
How is return airflow. Nothing stacked up next to furnace OR obstructing return air??
Check exhaust ......obstructed will cause heat build up (mud dabbers. nests)
Propane pressure.
Turn ALL stove top burners on HIGH one at time.'
Do flames recovery quickly when another is lit?
Are all flames same....height/color?
With flames on ....turn furnace on.
Get same short cycling?
Do stove top flames diminish or stay steady?
How is airflow from each register...lacking could be sign of collapsed duct
How is return airflow. Nothing stacked up next to furnace OR obstructing return air??
Check exhaust ......obstructed will cause heat build up (mud dabbers. nests)
Propane pressure.
Turn ALL stove top burners on HIGH one at time.'
Do flames recovery quickly when another is lit?
Are all flames same....height/color?
With flames on ....turn furnace on.
Get same short cycling?
Do stove top flames diminish or stay steady?
