Replace them with new ones.

How to change a honeywell thermostat battery. When the batteries need to be. Once, you switch off the thermostat, open the front cover by holding the base place and pulling out the front. Switch off the thermostat to replace the battery open the front cover by pulling the front cover out gently remove the older 3 batteries and replace them with 3 new aaa batteries place the.

Remove the battery holder (top right corner). Once you’ve found it, remove the old battery and insert the new one, being careful. Turn it over to access the battery compartment.

If the battery compartment is covered, remove it then take out the batteries. In this video i instructions for the correct and easy way to replace the two aa (double a) batteries in a honeywell pro series t4 thermostat. How to reset a honeywell thermostat remove the batteries and turn off the thermostat.

8 rows changing the batteries on a honeywell thermostat system is quite simple. Negative to positive and positive to negative are the inappropriate ways to put the. They will flash “replace batt” when the battery needed replacement.

4000 series include th4110d and th4210d models. Remove the base plate by pulling the. 6 how to change honeywell thermostat battery 6.1 step 1:

The battery housing is not labeled but it is easy to locate it. Turn the power off 6.2 step 2: Removing the thermostat from the wall is not required.