How To Fix Low Battery On Nest Thermostat. Pull the thermostat display off the base. Nest Thermostat Wont Turn On or Off.

This battery runs the programming and keeps the thermostat connected to WiFi but WiFi connectivity is draining the battery doesnt last very long on its own. You cannot replace the batteries for the Nest Thermostat E or Nest Learning Thermostat. The battery will drain slowly and require charging when you want to use the thermostat.
Check Nest Secures level.
Follow the steps below to check the battery level. Remove the old batteries from the back of the thermostat display. If your battery is low you may have a wiring issue. The Nest complains about a low battery and wants to shut down If you have any of these symptoms please try these simple steps to return your Nest thermostat to a working status.
