How to change battery in honeywell pro 3000 thermostathow to change battery in old honeywell thermostathow to change battery in honeywell thermostat th3110d1.

How to change battery in honeywell thermostat rth230b. Secure the thermostat using the locking screw and install the faceplate. Honeywell thermostat 5.2 models rth2300b and rth221b can be a challenge to open, to access the batteries. Pull the battery cover forward from the front of the unit and replace the.

In other words, put it off completely, wait 10 to 15 seconds and put it on again. Press and release the system button on the left side of the thermostat. In terms of battery replacement, the 6000 series is virtually identical except that it runs on aa batteries.

Fortunately, this is a simple process that anyone can do. Once the baseplate and the batteries are installed, mount the thermostat on the baseplate. Battery replacement indicator an icon appears when the batteries need replacement.

Take off the faceplate by pulling it away from you. Swing it out from the. Apply power back to the.

The filter is replaced, press [filter] for 3 seconds to remove the icon and reset the counter. Secure the thermostat using the locking screw and install the faceplate. The “my total connect comfort” web portal and the honeywell app can also be used to control the 8000 series honeywell thermostat.

The first step for battery replacement of all the. Turn it over, and you will find 2 aa batteries inside. Loosen the locking screw to separate the thermostat from its baseplate (the screw cannot be completely removed).