Honeywell thermostat not working after replacing batteries

How do I get my Honeywell thermostat back on after changing the battery?

Install the new batteries into the battery compartment. Put the faceplate back onto the backplate. Once it is reconnected, the thermostat display should turn back on. Take a moment to confirm that any programmed settings are still stored correctly by selecting the Menu or Program key, depending on your Honeywell model.

How do I fix an unresponsive Honeywell thermostat?

How to Troubleshoot A Faulty Honeywell Thermostat.
Disconnect all the wires connected to the thermostat. ... .
Remove the device from the wall plate..
Remove the batteries and wait for five minutes..
Replace the batteries and reconnect the wires..
Turn on the system and wait for five minutes..

How do you reset a thermostat after replacing the battery?

Here are the steps to do it:.
Switch off your thermostat..
Open the battery cover or door. ... .
Next, take out the batteries..
Then, put the batteries in reverse or opposite directions. ... .
Afterward, remove the inverted batteries. ... .
Check the display and once it turns on, this indicates that the thermostat has been reset..