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    sandypandy44's Avatar
    sandypandy44 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 10, 2006, 08:41 PM
    Blower won't work On A/C
    Hi, My furnace fan blower won't come on when the a/c is on, the unit outside is working, then if I switch it to heat the fan blower works! Hope you can help me. I checked the fuses, also changed the filter.
    Thanks, Sandy
    jgj6331's Avatar
    jgj6331 Posts: 153, Reputation: 19
    Junior Member
    		  
    #2

    Sep 12, 2006, 07:43 AM
    Could be in the control board - bad relay. Not uncommon in older units. Have a pro check it out.
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