Coleman D.E.S. 80 Gas Furnace Model 2860C866

QUESTION:

First and foremost lose the repair man then call a reputable service company out for the diagnosis and estimate... And expect to pay a reputable company for a diagnosis.
It would be a waste to 2nd guess some of the possibilities here. Hope this gets you going in the right direction. If you disagree with my prognosis of losing the guy then you deserve him!

ANSWER:

I have a gas Coleman D.E.S. 80 Model 2860C866. My guess is its 11 years old. I'm not a tech so here goes my best to describe the problem: The temp in house goes lower than thermostat, the furnace makes a noise like its starting but no hot air ever comes out of the heat registers in house, the furnace continues to make the noise for hours but no air\heat never comes through the registers in floor. I can set the temp for thermostat to be
*lower* than house temp then wait about a minute, then set the thermostat to be *higher* than the house temp. and the furnace will start blowing hot air to heat the house. Its intermittant, sometimes the furnace works ok sometimes it doesn't.
I had a repair person look at it that said he's never seen this model and he has seen alot of furnaces. He said he needs to order parts and it could take up to10 days to get a new module, and he is not sure this will even fix it. He says just switch the power off on the breaker panel to reset the furnace when it doesn't work for now.
I have searched the web for answers but it seems all I can find is Coleman's for trailer\mobile homes. My house is just a regular house and this looks like a regular size furnace.


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