furnace help
Posted: Sun Nov 11, 2012 2:34 pm
I have a coleman furnace model # DGATO568DF serial # 981038860.. It blinks 3 times which says the combustion switch failed to close. I have had a hvac guy here and he replaced the I.D motor on it, cost $ 250.00.. Needless to say it didn't fix the problem. So i had a different company come out and they replaced the computer board, $ 350.00.. It still didn't fix the problem. It only works when it wants too. The hvac guys are totally clueless to what the problem is. I can't afford for them to just replace things until they find the problem. Do you have any suggestions on what we can look at ? Thanks