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

    Jan 6, 2010, 01:36 PM
    Fan blower won't come on
    With the unit in heat mode and auto, the burner ignites but the blower doesn't come on.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 6, 2010, 03:30 PM
    Could be a defective fan and limit switch or the heat fan relay.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #3

    Jan 6, 2010, 04:22 PM

    Or a bad blower motor, or if the unit is very old, it could be a broken fan belt. Can you give us a make and model number of unit? It could also be as simple as a bad blower motor capacitor. Just to many options without knowing what unit you have.
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