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    mdanzl's Avatar
    mdanzl Posts: 1, Reputation: 1
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    #1

    Nov 2, 2012, 06:08 PM
    Coleman furance trouble shooting questions
    Furnace ignites and then shuts off right away.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Nov 2, 2012, 06:23 PM
    It may just be a dirty flame sensor. It's a meatal rod that sits in front of the burners with one wire going to it. You can turn the power off going to the furnace and clean it by scraping it with a knife. Turn the power back on to the system and see what happens.

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