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-   -   AC or Heat does not work when switching to AC or Heat (https://www.askmehelpdesk.com/showthread.php?t=100403)

  • Jun 11, 2007, 12:58 PM
    konglucid
    AC or Heat does not work when switching to AC or Heat
    I have a programmable thermostate installed a year ago and it has been working since until a few days ago. Both AC and Heat don't work , I don't hear any kicking. I did a reset on the thermostate did not make any difference. The fan is on Auto. Now I am interested in knowing if it is the thermostate or not. Thank you.


    Kong
  • Jun 11, 2007, 02:23 PM
    hvacservicetech_07
    Will the indoor fan start if you switch the thermostat to the fan "ON" position?
  • Jun 11, 2007, 03:23 PM
    konglucid
    I did that already , switched fan on ON position, the inside fan did not kick in as well. What else can I do to isolate further please advise.
  • Jun 11, 2007, 03:28 PM
    esquire1
    Check power at inside unit. Make sure it's on. If so check low voltage side of transformer. Is there 24v, or you can check for 34v at thermostat

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