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

    Jun 4, 2007, 08:36 AM
    24V fuse keeps blowing
    HI all, I have a problem with my AC it keep blowing the 3amp fuse I have replaced it but after a min or 2 it blows again I have measured the transformer Volt. To be at 27.8V I know it's a 24V tramsformer now could this be why its blowing the fuse or it doesn't really matter that its 3V over...

    Thanks '
    Je
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 4, 2007, 09:33 AM
    The voltage is not the problem. You have a short in the wiring somewhere or a low voltage control is going bad causing enough draw to blow the fuse. If you have a meter you can track the short down if not call service.
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