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    carmart61's Avatar
    carmart61 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 13, 2010, 04:52 PM
    Central air compressor no kicking in ,fan is working fine
    My a/c was working fine yesterday, all of the sudden stopped working, I can hear a humming sound from the fan, and it would start if a rotate the fan, but the compressor won't start at all , some guy from the gas company told me that it might a selenoid wiring gone bad , this selenoid is responsible for kicking the compressor in, if the selenoid breaks it might not send enough voltage to the compressor to start, would this be the problem? Thanks !
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Jul 13, 2010, 05:36 PM
    Look into the capicitor being bad,, sometimes the top will swell up ,looks like a frosen coke can,should be flat,if so replace with an exact match after you have turned off breaker and shorted the posts together with a screwdriver
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