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    spanish fly's Avatar
    spanish fly Posts: 2, Reputation: 1
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    #1

    Oct 30, 2007, 05:07 PM
    Open limit switches
    Furnace turns on burners lite blower turns on but then shuts itself off then back on
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Oct 30, 2007, 05:13 PM
    You may have a main limit opening from lack of air flow through the system. Check to see if your return air filter is dirty, check the blower wheel for restrictions and evaporator coil.

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