Atwood Furnace problems
I have a new 2014 Thor ACE with an Atwood furnace. On our way home from Florida Sunday when we stopped for the night we had to use the furnace. It works fine until the thermostat is satisfied, then wh...
Forum Discussion
wolfe10 wrote:Bird Freak wrote:
If you have the 8535 gen IV series you have no thermocoupler. Mine did the exact same thing with the same code you are getting and it was the board.
Yes and no. Yes, there is no separate thermocouple. But, the ignitor serves that function (sensing temperature) for the PC board.
Here is an Atwood troubleshooting manual from 2003 O(need to verify it is the same as yours):
http://bryantrv.com/docs2/docs/hflamefurn04.pdf
On page 30:
BURNER IGNITES BUT IGNITION SYSTEM “LOCKS OUT” AND TURNS BURNER OFF
Low gas pressure
--------------------------------
Set pressure to a minimum of 11 ? W.C. with all appliances running.
Replace regulator if not obtainable.*
Exhaust blocked
----------------------------------
Clean exhaust.*
Combustion air wheel loose
------------------
Reposition wheel and tighten
Electrodes out of adjustment
------------------
Adjust electrode according to furnace specifications.
Electrode defective
------------------------------
Replace electrode.
Circuit Board defective
--------------------------
Clean plug contacts. If still defective, replace. (Check on board tester
when possible).
Flame sensor wire between electrode
------
Replace wire
and circuit board defective
Air leakage at gaskets
--------------------------
Replace gasket
Defective heat exchanger
----------------------
Replace heat exchanger
Thanks for every ones advice. I will do some more checking this weekend on it. :)
