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    Blackmon Family's Avatar
    Blackmon Family Posts: 1, Reputation: 1
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    #1

    Aug 2, 2007, 12:25 PM
    AC fan works but no cold air
    AC in home was working and the fan is still blowing air but when the AC is turned on the fire starts up in the furnace. Can someone help me troubleshoot? I have changed the thermostat in the house and changed the filter already.
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
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    #2

    Aug 2, 2007, 01:15 PM
    How do you have the thermostat wired?
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
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    #3

    Aug 2, 2007, 03:02 PM
    And what type of thermostat did you install ? Did this problem exist before the thermostat change? If you put in a digital thermostat you may have to tell it that you have a gas furnace, it may be operating in the heat pump mode.

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