Honeywell TH6220D1002 Support Question
Find answers below for this question about Honeywell TH6220D1002 - FocusPRO Programmable Thermostat.Need a Honeywell TH6220D1002 manual? We have 1 online manual for this item!
Question posted by ashamilt89 on September 11th, 2016
How Do I Reset A Thermostat That Has Gone Blank?
Current Answers
Answer #1: Posted by Odin on September 11th, 2016 5:05 PM
Check circuit breaker and reset [the circuit breaker] if necessary.
Make sure power switch at heating & cooling system is on.
Make sure furnace door is closed securely.
If thermostat is battery powered, make sure fresh AA alkaline batteries are correctly installed
Illustrated installation instructions for batteries are at this manual page: http://bit.ly/2ccGHnd
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