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    nana0805's Avatar
    nana0805 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Oct 19, 2011, 10:37 PM
    Lennox furnace will not stay running
    Our lennox furnace will run for a minute or two then shut off. A service man can in the summer to service the a/c, the heat worked fine last winter, can you help
    JonesHVAC's Avatar
    JonesHVAC Posts: 173, Reputation: 12
    Junior Member
    		  
    #2

    Oct 20, 2011, 06:03 AM
    You may have a dirty flame sensor. Remove it and clean it with some steel wool or fine grade sand paper.
    fouteir's Avatar
    fouteir Posts: 1, Reputation: 1
    New Member
    		  
    #3

    Oct 10, 2012, 01:24 PM
    My furnace runs for a short while then shuts off... why?
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