No heat. Fans run.


Old 09-16-14, 08:02 PM
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Question No heat. Fans run.

I have a York Diamond 90 gas furnace that had water over the control board about a week ago. Since then the fans both run at the same time, no heat and no LED on the control board. I'm guessing the control board is to blame. The LED on the board is never lighted.
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Old 09-16-14, 08:40 PM
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Water and control boards never mix. Control board manufacturers always specify to replace a control board that has had contact with water. The fact that both fans run at the same time doesn't bode well.

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