Question about Honeywell Programmable Thermostat Heater

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Screen says bat low

Put in numerous new batteries and still it says Bat Low. Can't get it to run on auto, can still run heat manually where I turn on and off but cannot use programming. I have 2 thermostats and have not changed batteries in 7 years. The downstairs still works for now. Cannot find a model number anywhere on the unit.

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Found the manual online and it said to put the batteries in backwards for at least 5 seconds to re-set the thermostat. Amazingly, this worked.

Posted on Oct 02, 2009

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