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    corwin1123's Avatar
    corwin1123 Posts: 3, Reputation: 1
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    #1

    Mar 11, 2008, 06:20 PM
    Intertherm thermostat works only in on position and not auto!
    Why does my thermostat only activate my furnace in the on position and not also in the auto position?:confused:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 11, 2008, 07:04 PM
    Is this in a mobile home?

    Model number?
    corwin1123's Avatar
    corwin1123 Posts: 3, Reputation: 1
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    #3

    Mar 11, 2008, 09:28 PM
    This is a mobile home and the model # is e2eb-015ha.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Mar 11, 2008, 09:58 PM
    You have a bad heat sequencer that controls the blower in the automatic mode. Wiring diagram is on the inside of the blower door. Track down and replace. Remember exactly where every wire goes.

    TURN off the power first.

    Sequencer new part number is 621679

    Order here if you wish.

    Right side of page.

    Nordyne Electric Furnace Parts
    corwin1123's Avatar
    corwin1123 Posts: 3, Reputation: 1
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    #5

    Mar 12, 2008, 03:44 PM
    Thank you I will try this!:)
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