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Thermostat message battery low. Put in two new batteries and it will not reset or start. Lost Power during storm and cannot get it going again.

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Let me see if I understand your question.. your thermostat indicated the batteries needed to be replaced so you changed them with new ones.. With new batteries, you cannot get your thermostat to initialize or program correctly and as a result of that, you cannot get your AC system to start up.. If that is true, please provide the Honeywell Model # and verify the batteries you installed were Ok,...
Will attempt to assist once you've provided this info..

( on an off chance, have you checked the fuse or cuircuit breaker for your AC system to make sure it has power available?) This is especially important after a power outage..

Posted on Sep 17, 2008

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Posted on Jan 02, 2017

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Hello

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