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    alyboldt's Avatar
    alyboldt Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 23, 2012, 05:18 PM
    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!
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Mar 23, 2012, 06:13 PM
    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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