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    stp101's Avatar
    stp101 Posts: 1, Reputation: 1
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    #1

    Mar 22, 2008, 04:11 PM
    Furnace shuts off and on
    Furnace lites, runs for about 30 secs-1 min then shuts off then re-lits and does the same thing over and over. Furnace has pilot control module, what could be the cause
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
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    #2

    Mar 22, 2008, 07:02 PM
    If the flame is good and strong, not yellow, you may have a flame sensor problem, try litely sanding the sensor (a small rod in the path of the flame with a single wire attached) if flame is yellow that indicates a dirty burner. Good luck, Mike
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