DGAA090BTA Furnace running but not heating

Questions about repairs and parts for Coleman furnaces, air conditioners and heat pumps for manufactured homes. Click here for Coleman parts.

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shelbyvinson

I looked at a coleman DGAA090BDT furnace today the complaint was furnace running but hot providing hot air. I checked all components and they seemed fine. The furnace cycled on, burner lights, and the blower came on. the furnace would not gererate any heat. I do not know the internals of a coleman furnace, there seemed to be only one burner and I could not see the heat exchanger. I did not have all my equip to check gas pressure or any type of temp rise. what else could I look for or check

Shelby Vinson
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Robert
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Joined: Wed Feb 28, 2007 12:07 am
Location: Tennessee

Check for blockage in gas valve/burner orifice (spider/web).


Thanks,
Robert
Last edited by Robert on Mon Nov 05, 2007 5:27 pm, edited 1 time in total.
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shelbyvinson

Thanks, I will check the burner
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