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
Thanks for all the feedback. Here's a followup.
- the led on the circuit board is not flashing.
- the specs on this furnace call for a min 36 sq inch of discharge area. My furnace has 4 - 4" flexible ducts. The furnace is installed in a vertical configuration with two 4" discharge ducts on the top and two 4" discharge ducts on the rear, plus a 2" discharge duct on the rear. Each 4" duct provides 12 sq inches. So, it appears that I have 54 sq inches of discharge area. All the outlet registers are full open. Air flow should not be an issue.
-Someone mentioned that it could be thermostat related. More information on this please.
-Today I made a request to Dometic for suggestions on this issue. No feedback from Dometic as of this posting.
Thanks again for all the responses.
- the led on the circuit board is not flashing.
- the specs on this furnace call for a min 36 sq inch of discharge area. My furnace has 4 - 4" flexible ducts. The furnace is installed in a vertical configuration with two 4" discharge ducts on the top and two 4" discharge ducts on the rear, plus a 2" discharge duct on the rear. Each 4" duct provides 12 sq inches. So, it appears that I have 54 sq inches of discharge area. All the outlet registers are full open. Air flow should not be an issue.
-Someone mentioned that it could be thermostat related. More information on this please.
-Today I made a request to Dometic for suggestions on this issue. No feedback from Dometic as of this posting.
Thanks again for all the responses.
