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-   -   Honeywell thermostat rct8100a error code 2.7 (https://www.askmehelpdesk.com/showthread.php?t=645619)

  • Mar 23, 2012, 05:18 PM
    alyboldt
    Honeywell thermostat rct8100a error code 2.7
    When I setup programmable 7 day rct-8100a honeywell thermostat for AC, and replace the cover, it appears everything resets, and I get an error code 2.7 and the time begins to flash like it was never set.

    When I have the thermostat set to just a temperature, and not associated with programmable timing, the AC works just fine.

    Thank you for all of your help!
  • Mar 23, 2012, 06:13 PM
    wmproop
    Sometimes you have to read,, read,, and re-read the programing instructions, step by step and in order sometimes they can be a big pain

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