Pull the thermostat and gently remove it from its wall plate.

How to replace battery on honeywell thermostat. Dispose of them properly and then insert your new batteries. Remove the wall plate from the device. Next, gently pull the cover away from the.

Pull out the faceplate to open the battery compartment. Remove the bad battery from the thermostat by unscrewing all the screws holding it. Here is how to replace the battery in honeywell 5000 series thermostat.

This warning appears on the screen as a flashing banner that says. 5 honeywell thermostat battery types. Remove the older 3 batteries and replace them with 3 new aaa batteries.

Then, use a phillips screwdriver to remove the two screws that secure the cover in place. How to fix a honeywell thermostat that isn’t working disconnect all of the cables from the thermostat. Open the front cover by pulling the front cover out gently.

Put the thermostat in the ‘off’ position and remove the batteries. How to reset honeywell thermostat after replacing batteries. Remove the old batteries, noting where the positive and negative ends are placed.

Turn off your thermostat, open the battery compartment on the front, and remove the batteries. Place the new battery in the position of the older battery. Wait five minutes after removing.