Honeywell TH5220D1003 Support Question
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Question posted by hchriswilson on July 17th, 2021
Thermostat Won't Respond When Pushing The Buttons
Current Answers
Answer #1: Posted by techyagent on July 17th, 2021 3:38 PM
https://www.ambientedge.com/faqs/what-does-the-reset-button-do-on-a-thermostat/
Thanks
Techygirl
Answer #2: Posted by SonuKumar on July 17th, 2021 9:30 PM
https://www.youtube.com/watch?v=4a1YCavMR4c
different model but process should be same.
To troubleshoot this, first, switch the thermostat to "OFF", then take the batteries out and press the reset button again. Put the batteries back in, switch the mode to either the "HEAT" or "COOL" position, and turn the thermostat back on.
https://www.ambientedge.com/faqs/what-does-the-reset-button-do-on-a-thermostat/
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