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    fatboy58's Avatar
    fatboy58 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 14, 2008, 08:52 PM
    Hvac blower motor not working
    HVAC blower motor does not come on in either the heat mode, a/c mode. Or fan only mode. However, it comes on in emergency heat mode. Any ideas what might be wrong?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 14, 2008, 08:58 PM
    If the blower runs it is not the motor and must be in the control system. Usually a relay or sequencer.
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #3

    Dec 14, 2008, 09:05 PM

    Could be a loose connection at the furnace or the thermostat on the "G" terminal. When you switch to emergency most likely the equipment controls the blower,where as the thermostat does in the other listed options.
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