Why won't my Honeywell thermostat work after changing the batteries, and how do I fix it?

Honeywell Thermostat Troubleshooting: Powering Up After Battery Change • Get your Honeywell thermostat up and running again! In this video, we'll show you why your thermostat won't work after changing the batteries and how to fix it. Follow our step-by-step guide to get your home's temperature back under control.

00:00 • Why won't my Honeywell thermostat work after changing the batteries, and how do I fix it?
00:23 • Did you install the batteries correctly?
00:52 • Are the batteries new and fully charged?
01:19 • Is there any corrosion or damage in the battery compartment?
01:50 • Is the thermostat properly mounted?
02:17 • Have you reset your thermostat?