Question about Carrier XHB123D X/Y Series Heat/Cool Air Conditioner

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I have a Carrier Weathermaker 8000 furnace. it will not light.I tested the igniter on my upstairs furnace and it will glow and light that furnace. I can manualy light the furnace with a match. flame sensor works and furnace will run till thermostat turns it off.wires look good. Controer maybe???

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  • laura Newman May 11, 2010

    Please describe, specifically, what your furnace is doing from the time you place your tstat in heat and turn the temp all the way up.

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If you're sure the igniter is good and the controller is sending voltage to gas valve to open, but not to the igniter then, yes, the controller is bad. The only way to know for sure is to remove the igniter's molded plug from the board and test voltage directly at the board. You should get about 100-120 vac to the igniter.

Posted on Mar 25, 2010

Testimonial: "thanks alot i will test that."

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Bad board.

Posted on Mar 28, 2010

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