Google Nest Learning Thermostat 3rd Generation, Black - Smart Thermostat - A Brighter Way To Save Energy

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If there's noblinking red light, it's possible that you’ve put wires into the wrong thermostat connectors. Make sure you've entered your system’s wires correctly into theapp and follow the wiring diagram it gives you.

As long as the thermostat base is from the same model, generation, and country/region as the thermostat display, you can swap bases and displays.If looking at the display isn’t enough to tell you which thermostat you have, you can also pull off the display and look at the base. You should be able to tell right away. Refer tothe table below for key differences between the different Nest thermostat bases. Nest Thermostat WARNING: If you attempt to connect parts from different thermostat models, it may damage your thermostat as well as your system.

Your thermostat should automatically turn on once it’s connected to your system, and your system is powered up or if you put in new batteries. If none of the solutions above fixes your Nest thermostat, the device may be damaged. To confirm this, install your old thermostat again to see if it works. If your system works with your old thermostat, try getting a professional to installyour Nest thermostat.Make an appointment with our installation partner OnTech, to have a trained pro come to your home, install and set up your Nest products.If your Nest thermostat is damaged, or if you need a professional to service your system, the installer maylet you know.

If your system works as it should with your old thermostat, your Nest thermostat may be damaged and needs to be replaced. As this information is anonymised and aggregated it cannot be used to identify any individual user actions. Pull one wire out of the base connectors and inspect it for any crookedness or corrosion. The wire should be clean and straight. In addition, the wire must be 1cm long. If your thermostat wires are crooked or rusty, cut and re-strip them.