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-   -   Thermostat relay (https://www.askmehelpdesk.com/showthread.php?t=142406)

  • Oct 18, 2007, 09:41 PM
    speeddmon
    Thermostat relay
    Hi I've been having a/c problems for thelast 3 months in my apartment where the a/c won't cut off when I change the thermostat into the off position. I also notice that it won't cut off when in the auto position as well. To get it to cut off I have to play with the switch from off to heat to off to auto back and forth a few times... my electric bill is still over $100 for a 1 bedroom what gives
  • Oct 19, 2007, 09:21 AM
    tsa7man
    Based on what you are saying, it looks to be a bad thermostat... since you can play with it and get the unit to shut down...
  • Oct 19, 2007, 10:08 AM
    labman
    The sticky at https://www.askmehelpdesk.com/heatin...ons-58313.html discusses checking a heating thermostat. For A/C connect the yellow and green to the red. If disconnecting the green stops the blower, then the problem is in the thermostat. Otherwise, likely is a relay on a very expensive circuit board.

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