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    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #1

    May 17, 2010, 06:53 PM
    My ac fan turns off when I switch it to ac from heat
    Myblower motor in the house the one that blows air thruthe vents shuts off when I turn the thermostat to ac but as soon as I change the thermostate to heat the blower turns on like nothing is wrong
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    May 17, 2010, 07:05 PM

    Cooling relay is probably bad, what brand unit?
    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #3

    May 17, 2010, 07:07 PM

    Coleman
    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #4

    May 17, 2010, 07:10 PM

    The coils and the lines continue to cool and eventually freezes but no blower but as soon as I turn the heat on the blower works fine
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #5

    May 17, 2010, 07:12 PM

    Does your unit have a control board, or a relay box?
    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #6

    May 17, 2010, 08:08 PM

    You mean outside by the main unit with 2 big looking fuse things
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #7

    May 17, 2010, 09:11 PM

    Josh wants to know whether the furnace has a large PC board in it or something like a Fan center.

    Fan Center
    Google Image Result for http://www.accentshopping.com/ImageGen.ashx?IMG_ID=19265&IMG_Height=250&IMG_Widt h=250

    Control board
    http://midwestapplianceparts.com/images/CES0110017.jpg

    The fan can be controlled very differently in the AC mode.

    I'd like to know if the FAN comes on when you just move the FAN Switch to the ON position with the HEAT/OFF/COOL switch in the OFF position. I suspect not.
    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #8

    May 17, 2010, 09:11 PM

    Outside there is a box and there are 2 breakersonthe blower ichecked the breakers on the blower its not or theyare not switched
    teddynerin's Avatar
    teddynerin Posts: 6, Reputation: 1
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    #9

    May 17, 2010, 09:26 PM
    The blower motor has like a almost ahand size squarethingcover in plastic connected toplastice looks like the pic it on the side of the blower
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