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

    Jun 18, 2012, 02:31 PM
    Trane gas furnace only one gas burner ignites temporarily then shuts off
    Have a Trane XL80 furnace. We switch the furnace on but after the initial ignition it turns off. And then repeats about a minute later, and then again. Only one and sometimes three of the burners are temporarily igniting. We have removed and cleaned the heat sensor and replaced the igniter switch and still same problem. Please can someone help?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 18, 2012, 04:12 PM
    Quote Originally Posted by bannistern View Post
    Have a Trane XL80 furnace. We switch the furnace on but after the initial ignition it turns off. And then repeats about a minute later, and then again. Only one and sometimes three of the burners are temporarily igniting. We have removed and cleaned the heat sensor and replaced the igniter switch and still same problem. Please can someone help?
    Please can someone help?

    The best help I can give you is to call a qualified ON SITE contractor before you blow the furnace up. When the burners are not lighting in unison that means that RAW unburnt gas is being injected into the furnace. This is NOT a good thing at all. Please call for ON SITE qualified help before you hurt yourself.
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