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    matt_bugatti's Avatar
    matt_bugatti Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 9, 2007, 10:51 AM
    Carrier furnace, Rattling fan
    I have a Carrier 8000TS with WeatherMaker furnace. It puts out enough heat and keeps up with thermostat control however while it is blowing heat there is a very loud clicking sound coming from inside the furnace. It sounds like someone is putting a stick in a rotating fan so I opened up the access doors to ensure a fan wasn't hitting it but the sound continues... any suggestions would help, even a link to some schematics to narrow down the source.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 9, 2007, 06:06 PM
    Is the sound coming from the fan? Is something stucK in the blower like a paper diagram that got sucked off the door when the glue went bad?
    matt_bugatti's Avatar
    matt_bugatti Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Dec 9, 2007, 07:07 PM
    There is nothing stuck in the small visible fan. When I took a look while it was running the small fan in front seemed to be fine then I heard the sound coming from behind it yet...
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Dec 9, 2007, 10:28 PM
    Beats me unless the fan blade in the smaller blower/inducer fan lost one of its fan blades.
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