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    AnnePeacock's Avatar
    AnnePeacock Posts: 1, Reputation: 1
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    #1

    Jul 22, 2010, 03:55 PM
    My central a.c. is running outside, but the blower is only humming, help?
    Outside a.c. unit appears to be working fine, but blower is only humming. Any suggestions?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jul 22, 2010, 06:32 PM

    Suggest u find out why,
    Try spinning the blower blade (carefully) by hand ,will it start up and run? Is it easy to spin or does it show some resistance
    If it does probably a bad motor,if it started when you helped it along you probably need a capicitor


    Ps: if this is a gas furnace/airhandler you must hold the disconnect button in that normally the door/cover holds in at the same time you are trying to spin and start motor
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