Junction is a web service that sends a text or email when it detects problems like the nest going offline a hot or cold temperature threshold is reached or a humidity threshold was reached. We are aware of a low battery issue impacting some nest thermostat owners.

Google Nest Thermostat E
Problems with nest thermostat. You can adjust the temperature on your nest thermostat from anywhere and get notifications for important events like heads up and emergency alarm. The nest thermostat should pop off the base. There are instances when the nest wont work but the device will blink red or green light. If all your nest thermostat displays is a black screen and wont turn on try the steps below to troubleshoot the problem. Most people face the problem with turning on their nest thermostat. Troubleshooting during the summer if its winter or theres a cold snap or if its mild weather follow the instructions below.
If there is a wire in your r. Follow the troubleshooting steps in this article. You should verify that the x wire on the old thermostat is not a common wire. In some cases this may cause the device to respond. When x w1 or w2 is an aux wire. Check the c terminal of the base to see if your nest thermostat.
If you are also facing this issue it is good that you decide to stop here to find solutions. Or some other times there will not be any light. Nest has admitted that people are having problems with its batteries. If its summer or theres a heat wave read this article first. Check that the power is. Try adjusting the temperature with your thermostat to stay comfortable while you troubleshoot.
Pull the silver ring of your thermostat gently away from the wall. Even if its offline. Check that the power is on at your breaker. Troubleshoot when your nest thermostat is offline youll be able to control your system with the thermostat but not with the app. Connect to your nest learning thermostat and nest protect smoke and carbon monoxide alarm from one place the nest app in your web browser. If there is a common wire installed the nest thermostat will not power share.
Some heat pump installations may have the auxiliary heat connection labelled as x w1 or w2 on the thermostat.