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    Cathy Shirrell's Avatar
    Cathy Shirrell Posts: 1, Reputation: 1
    New Member
     
    #1

    Feb 25, 2013, 07:44 PM
    Thermostat trouble
    My furnace turns on then shuts of before it lights then turns on and lights and runs it cycle any ideas
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Feb 25, 2013, 10:06 PM
    Try cleaning the flame sensor.
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