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

    Jan 18, 2010, 07:10 PM
    Error 79 trane tcont900ac43ua
    The airconditioning unit is displaying an err 79, what does this mean then suddenly the unit stops running, what is the problem?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jan 18, 2010, 07:18 PM
    Quote Originally Posted by amaleo View Post
    The airconditioning unit is displaying an err 79, what does this mean then suddenly the unit stops running, what is the problem?

    I`ve never seen a aircondition that display`s anything, let alone an err79.
    What is brand and model number of the ac?

    Or are you talking about a thermostat? Either one, more info would be needed
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