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    bloomfield's Avatar
    bloomfield Posts: 6, Reputation: 1
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    #1

    Jun 20, 2009, 07:40 PM
    My furnace and Air conditioner is not turning on
    My furnace and Air conditioner is not turning on and the LED light is not on or blinking. Do you think it is my blower or my circuit board
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    Jun 20, 2009, 07:44 PM

    Check for power, the breaker and the switch. Turn the breaker off and back on. If this still does not work then there may be a small 3 amp car type fuse on your control board. That could be blown
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    bloomfield Posts: 6, Reputation: 1
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    #3

    Jun 20, 2009, 07:48 PM
    The breaker at the main electircal panel is not popped and the 3 amp fuse is not popped. Also at the unit there is a burnt plastic smell
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    Joshdta Posts: 2,549, Reputation: 45
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    #4

    Jun 20, 2009, 07:52 PM

    Might be your transformer. Do you have a volt meter?
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    bloomfield Posts: 6, Reputation: 1
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    #5

    Jun 20, 2009, 07:53 PM

    I do have one but I don't know how to use it
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    bloomfield Posts: 6, Reputation: 1
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    #6

    Jun 20, 2009, 07:54 PM
    What I mean I don't know where to put the dial to test it
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    bloomfield Posts: 6, Reputation: 1
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    #7

    Jun 20, 2009, 07:57 PM
    So you don't think the circuit board is bad
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    bloomfield Posts: 6, Reputation: 1
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    #8

    Jun 20, 2009, 07:58 PM
    I think you are right that it is the transformer because the smell is coming from that
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    Joshdta Posts: 2,549, Reputation: 45
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    #9

    Jun 21, 2009, 08:25 AM

    Just pick a new one up and replace it, not to expencave. But be for you turn the power back on check the rest of the wiring, something burt it up. If you was running ac when it happened chack the contactor outside for the same smell.

    http://www.chinacontactor.net/Produc...-Contactor.jpg
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