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    jeffraemer's Avatar
    jeffraemer Posts: 4, Reputation: 1
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    #1

    Apr 2, 2009, 10:24 AM
    Fan turns off, no heat
    My furnace does not seem to be blowing air. At first I thought it was access panel switch due to a bent panel. However, I held it down while someone else stayed by a register to check airflow and there was very little if none. Also, the gas never lit, but I could smell some.

    Thoughts?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    Apr 4, 2009, 10:13 AM

    What type of furnace do you have? Do you have air conditioning? Or a fan on switch at the t stat?
    jeffraemer's Avatar
    jeffraemer Posts: 4, Reputation: 1
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    #3

    Apr 5, 2009, 03:40 PM
    Payne natural gas furnace.

    No A/C.

    I can set my thermostat to "fan" or "auto". There is no airflow under either option. Even when I hold down the cover switch and the furnace activates, there is still no airflow.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #4

    Apr 5, 2009, 03:41 PM

    OK how new is your furnace?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #5

    Apr 5, 2009, 03:43 PM
    Has the fan ran on the on position before? Or only on auto?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #6

    Apr 5, 2009, 03:56 PM

    Sounds like the blower motor its self or the control board
    jeffraemer's Avatar
    jeffraemer Posts: 4, Reputation: 1
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    #7

    Apr 5, 2009, 04:01 PM
    Are the blower motor or control board easy to replace?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #8

    Apr 5, 2009, 04:03 PM

    Yes, but you need to see if the power is coming out of the board or not to the moter
    jeffraemer's Avatar
    jeffraemer Posts: 4, Reputation: 1
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    #9

    Apr 9, 2009, 02:36 PM
    Sounds easy enough. How do I determine this?

    If I can figure out where the power flow stops, then is that the piece that needs replacing?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
     
    #10

    Apr 9, 2009, 04:18 PM

    Try this, shut power off to furnace, or just don't hold in the door switch. Now reach in and try to turn the blower wheel by hand. Does it spin freely, or is it stiff? If it spins freely, then push in the door switch(with power on, make sure not to touch any wires, or capacitors with your hand or arm). With door swith engaged, and thermostat set to fan on. Give the blower wheel a push by hand, try both directions, if it tries to start turning but won't get up to speed, I would suggest that you have a bad motor. If it takes off and runs fine when you give it a push, you may have a bad capacitor. This is real easy for someone that works with these type of things on a daily basis, but I really would recommend having a local tech in to look at it if you don't feel comfortable. If you know how to use a multimeter, and feel confident in doing this, we will try our best to help you. Please let us know what you think.

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