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    Michaelbatten3's Avatar
    Michaelbatten3 Posts: 1, Reputation: 1
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    #1

    May 24, 2012, 04:37 PM
    Central air
    My central air outside unit fan humms but won't spin what do you think the problem is
    smoothy's Avatar
    smoothy Posts: 25,492, Reputation: 2853
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    #2

    May 24, 2012, 06:51 PM
    Quote Originally Posted by Michaelbatten3 View Post
    My central air outside unit fan humms but won't spin what do you think the problem is
    You have an outside fan that's seized up and needs replaced. Assuming you don't have a tree branch lodged in the unit preventing it rotating.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    May 24, 2012, 06:58 PM
    Two things to check-- Run capacitor for the fan motor is bad and the motor can't start or the motor is bad. You can take the capacitor to a local hvac dealer and they should test it for free, in hope that you might buy the part from them.
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