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    bigd53545's Avatar
    bigd53545 Posts: 4, Reputation: 1
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    #1

    Oct 27, 2007, 10:08 AM
    Furnace blower doesn't come on
    I have a Bryant furnace. The small draft inducer motor runs, but the blower doesn't come on. Any advice on this problem would be appreciated. Thank you.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Oct 27, 2007, 05:47 PM
    If the inducer motor is running and its not trying to light you may have a restricted vent pipe or bad ignitor on the furnace. How old is the system?
    bigd53545's Avatar
    bigd53545 Posts: 4, Reputation: 1
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    #3

    Oct 28, 2007, 08:25 AM
    The furnace was built in 1989. The main burner seems to be running at times. Are there a set of points that signal the blower to run after main burner is running? Thanks again for the help.
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
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    #4

    Oct 28, 2007, 09:07 AM
    Check the blower relay
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #5

    Oct 28, 2007, 10:08 AM
    Go to the sequence of operations of a gas furnace in https://www.askmehelpdesk.com/heatin...ons-58313.html

    Your furnace is likely new enough that a timer on the circuit board operates a relay to start the blower. If it doesn't come on, a temperature sensor shuts the furnace down, and it tries to start again.

    Whether the timer or the relay is failing, likely you are out $$$$$$$$$$$$ to replace the board.
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