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

    Apr 4, 2006, 09:20 AM
    Carrier Thermidistat Fan Control Not Working
    The fan control on my Carrier Thermidistat does not turn the blower fan on when the Fan button is set to On. In Auto, the fan will not operate the fan on either a heating or cooling cycle with my heat pump. The fan DOES work when the furnace operates in emergency mode which is being controlled by the thermostat on the furnace itself. It just seems that fan operation through the Thermidistat is broken. Is it time for a new tstat?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Apr 7, 2006, 07:24 PM
    NO you probably have a bad relay.
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