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    Dontunderstand1's Avatar
    Dontunderstand1 Posts: 3, Reputation: 1
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    #1

    Apr 11, 2012, 08:31 PM
    My furnace won't stop blowing air
    My furnace won't stop blowing air I don't know what's going on it's never done this before, it just starting doing it one night. The thermostat says it's on sleep and I turned the furnace off at the thermostat but it's still blowing. It's only blowing cool air. The model is a concord 90 plus and I'm guessing it's only a few years old what should I do to fix it?
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Apr 13, 2012, 07:08 PM
    You should have a light blinking on the control board that will give the fault code. If the blower is on all the time and not heating you have or have had a open limit, the blower will run all the time to let you know you have a problem.
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