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    troy2dog1's Avatar
    troy2dog1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 27, 2008, 04:39 PM
    Air works fine but heat won't come on at all
    My air condiction works fine bu when I put it on heat it won't come on at all no fan no noise or anything only thig I hear is a clicking on the circuit board that's it I have a lennox furnace
    Thanks in advance
    twinkiedooter's Avatar
    twinkiedooter Posts: 12,172, Reputation: 1054
    Uber Member
    		  
    #2

    Mar 27, 2008, 04:59 PM
    If this is an electric furnace then your contactor switch has gone bad and needs replaced. Call a service person to do this. Working with high voltage electrical current is not smart if you are an amateur. Refrigs are OK, but furnaces, no.
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