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

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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 you suspect that the Nest thermostat isn’t working because you aren’t installing it correctly, consult an installation expert. If your thermostat shows you a blinking red light, the battery is charging and it'll eventually turn on. It can take up to an hour if the battery is extremely low. If there'sa Wiring Report or other help message on your thermostat or in the app, follow the troubleshooting steps in Troubleshoot Nest thermostat help codes. You can hire a professional installer and ask them to set up your Nest thermostat for you. The professional installer will tell you if the thermostat is faulty or needs servicing. Reach out to the Google Nest Support Team

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 this fix doesn’t help with the blank screen problem, continue to the next step. Fix the Thermostat Display onto the Base Properly 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 old thermostat isn’t working either, there might be a blown fuse in your HVAC system. Ask your HVAC technician to repair your HVAC system. If your Nest Thermostat won’t turn on, the batteries could have drained or there could be a power issue. If the display isn’t fully seated on the base, your thermostat won’t turn on and can’t charge its battery.

After charging your Nest thermostat with a USB cable, you can start using it. However, you may need to call a technician to fix the charging problem in your thermostat. Read more about Nest thermostat charging issues. The display connector on the thermostat base is different for all 3 generations of the Nest Learning Thermostat. In addition, the connectors for the system wires are different between thermostat models.If your Google Nest thermostat won’t turn on and there'sa blinking red or green light, or no light at all, there could be a power issue or your thermostat may have frozen during a software update. Follow the troubleshooting steps below that match the issue you're seeing. Before you begin If your thermostat stays blank after you’ve just set it up, you might need to re-insert the wires into the connectors. Some systems, including heating-only, cooling-only, zone-controlled, and heat pump systems, require a C wire or the Nest Power Connector. Go to g.co/nest/cwire for details. But for Nest Thermostat E and Nest Learning Thermostat, the batteries are built-in, and they charge automatically via your HVAC system. But for some reason, your Nest thermostat might fail to charge automatically, and this may keep the thermostat screen blank. So, you’ll have to charge the thermostat with a USB cable. Important: Turn off power to your system at the system switch or fuse box. This helps protect your system and thermostat from possible damage.