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-   -   NO AC after replacing battery in thermostat (https://www.askmehelpdesk.com/showthread.php?t=366940)

  • Jun 19, 2009, 07:02 PM
    pfrady
    NO AC after replacing battery in thermostat
    I have a Honeywell Thermostat - it was blinking "low battery", I changed the batteries, now the AC will not come on - it just blinks "Cool On" nothing is happening.
  • Jun 19, 2009, 08:03 PM
    wmproop
    Turn off the breakers, to furnace and a/c unit for a few minutes,, then back on

    Was it working OK before you changed the batteries?
  • Jun 20, 2009, 05:40 AM
    pfrady
    Quote:
    Originally Posted by wmproop View Post
    turn off the breakers,,to furnace and a/c unit for a few minutes,,,then back on

    was it working ok befor you changed the batteries?
    Yes, it was working - I did turn off/on the breakers - it is working now... :) thanks.
  • Jun 20, 2009, 10:43 AM
    KC13
    If this problem crops up again, check the pins and contact strips between the thermostat and sub-base for oxidation.
  • Aug 25, 2010, 04:32 PM
    welchdj75
    Still not working after changing batteries. Same scenario. Now what? Its 86 in my house :(

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