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    dagoirish1's Avatar
    dagoirish1 Posts: 4, Reputation: 1
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    #1

    Jun 20, 2009, 01:50 PM
    Blower in furnace does not turn on
    Gentlemen... turned air on for the 1st time this year. a/c unit outside fires up fine... but blower in furnace does not. Replaced thermostat during winter because blower would not shut off. After installation furnace worked as it should. I must have wired thermostat wrong? Thanks for any and all info!! Tony:D:confused:
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    Jun 20, 2009, 01:53 PM

    Does the blower work when you turn your stat to fan on??
    dagoirish1's Avatar
    dagoirish1 Posts: 4, Reputation: 1
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    #3

    Jun 20, 2009, 02:00 PM
    No it does not...
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #4

    Jun 20, 2009, 02:16 PM

    Sounds like you have a bad fan relay.
    dagoirish1's Avatar
    dagoirish1 Posts: 4, Reputation: 1
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    #5

    Jun 20, 2009, 02:40 PM
    Josh... thanks. Question... I have 4 wires coming to thermo.. red/white/yellow and black. Black is ground? Also... fired up furnace blower kicked on as it should have/blew hot. Is there separate switches for a/c blower and heat? Ty:eek:
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #6

    Jun 20, 2009, 04:21 PM

    Yes the heat blower and the cool blower a controlled by separated things. Black is porbally fan, is it hooked to g or to c? It is common if it is hooked to b or c
    dagoirish1's Avatar
    dagoirish1 Posts: 4, Reputation: 1
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    #7

    Jun 20, 2009, 04:58 PM

    Thank you for your help. I have a friend who is in the business /cannot raise him on phone. It is probably something simple. Take care tony from Wisconsin
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