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Lennox Conservator G8E Short Cycling

As the problem states, I have a Lennox Conservator G8E natural gas model that recently started short cycling. Furnace fires up, heats up the heat exchanger, fan starts, runs for about 15-20 seconds, and shuts down. The thermostat isn't satisfied and it waits about 60 seconds and does it all over again until the therm is satisfied. So I was wondering if anyone had wiring diagrams that could point me in the right direction for checking the limit switches on the Lennox Conservator G8E. Thanks for your time.

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  • carl carpenter
    carl carpenter May 11, 2010

    check your ground to the unit also you may want to try to clean the metal rod that is located by the burners this is your flame sensor

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Posted on May 22, 2010

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