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

    Dec 18, 2006, 11:01 AM
    Gas furnace is inconsistent?
    I just put a new blower motor in and now the furnace burns for about 2 minutes and then shuts off and then the blower kicks on for about 2 minutes and then the furnace kicks on again? It's a repeat process. What's up with it? Please help. Thanks.
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #2

    Dec 19, 2006, 06:20 AM
    If the blower stays on, it could be the upper limit switch. If cleaning it doesn't help, perhaps replace it. A little more description of the furnace, age, brand, model might help.
    rickdb1's Avatar
    rickdb1 Posts: 185, Reputation: 15
    Junior Member
    		  
    #3

    Dec 19, 2006, 08:47 AM
    What was the reason for the new blower motor? Did the furnace work correctly before you replaced the blower motor?
    NaturalGasMan's Avatar
    NaturalGasMan Posts: 14, Reputation: 1
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    #4

    Jul 6, 2008, 10:35 AM
    Quote Originally Posted by tuckster
    I just put a new blower motor in and now the furnace burns for about 2 minutes and then shuts off and then the blower kicks on for about 2 minutes and then the furnace kicks on again? It's a repeat process. What's up with it? Please help. Thanks.
    Sounds like your furnace is over heating, it is very common if you have dirty filter, to many registers closed, air return is block,clogged, or covered. Did you replace the motor for same size, same cfm movement? If motor was not wired correctly it could be running at to low of speed.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #5

    Jul 6, 2008, 10:28 PM
    This guys question is dated 1 1/2 years ago, hope it is fixed by now
    NaturalGasMan's Avatar
    NaturalGasMan Posts: 14, Reputation: 1
    New Member
    		  
    #6

    Jul 6, 2008, 11:26 PM
    Yea, noticed that a little to late myself. Thanks
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