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    jpm81567's Avatar
    jpm81567 Posts: 1, Reputation: 1
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    #1

    Feb 12, 2010, 10:39 AM
    Electric house furnace won't shut off when I when it reaches the temp set at
    When it reaches its temp the fan won't shut off
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #2

    Feb 12, 2010, 11:38 AM
    Check the thermostat fan selector switch - set to AUTO? If so, the fan control may be sticking. Many electric furnaces control the fan & heating elements with a sequencer. Try this: next time the fan continues to run, carefully tap the top of the switch stack(s) with the butt of a screwdriver. If the fan stops, the sequencer is the problem.
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