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

    Jul 14, 2009, 08:15 PM
    Carrier unit - thermostat dead
    Hi hope you can help. We have a carrier unit that is approx 6 years old. The thermostat has no reading (also a carrier). Checked fuses on unit itself they are not blown. Flipped circuit breaker - still nothing. Took working thermostat from dowstairs up and still no reading/action of any sort. Any guidance will be appreciated!
    siberianair's Avatar
    siberianair Posts: 360, Reputation: -4
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    #2

    Jul 15, 2009, 04:42 AM

    Transformer could be shot...
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #3

    Jul 15, 2009, 05:54 AM

    I say check your transformer as well.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #4

    Jul 15, 2009, 06:58 AM
    I, 3rd that motion
    Hotinoklahoma's Avatar
    Hotinoklahoma Posts: 3, Reputation: 1
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    #5

    Jul 15, 2009, 11:33 AM
    Quote Originally Posted by wmproop View Post
    I, 3rd that motion
    Thanks to all! Will proceed to transformer. Is this repair a diy? (As a non hvac but pretty handy). Or give up, call the pros and dig the debt-hole a bit deeper?
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #6

    Jul 15, 2009, 11:34 AM

    If you have a voltmeter it is probably something you can check yourself. See if you have 24VAC output from it.
    Hotinoklahoma's Avatar
    Hotinoklahoma Posts: 3, Reputation: 1
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    #7

    Jul 15, 2009, 03:24 PM

    Thank you all! And thank God for a handy husband and a friend at Airco. Turns out a loose wire that had burnt and was not making connection. Portable thermostat said 125.4 degrees in the attic you guys be careful working in this heat. Thanks again what a cool website.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #8

    Jul 15, 2009, 08:31 PM
    I`m so very happy to hear from someone that gives the credit of something good to whom it belongs. Thanking God ,He is the one that makes everything possible
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