Troubleshoot when your thermostat won’t turn on - Google Help
Heating and technical issues. Troubleshoot when your thermostat won’t turn on. Restart or reset a Nest thermostat. Troubleshoot a "No power" alert on a Nest thermostat (E298, E448 or M20 help code) Thermostat wire undetected, unconfigured or unspecified. Troubleshoot strange heating or cooling behavior. Troubleshoot heat pump issues.
Identify a thermostat wire - Google Nest Help
The Nest thermostat doesn't need these wires. Install your Nest thermostat without these wires. Wires labeled S or S1 can be indicator lights or sensor wires. The Nest thermostat uses its LCD display instead of an indicator light and gets sensor information, like outdoor weather conditions, over Wi-Fi. L: The Nest thermostat doesn't need this wire.
How to tell which Nest thermostat you have - Google Nest Help
Differences in the ring and display. The tables below show key differences between thermostats. Touch bar on the right side of the ring: comes in different colors (Refer to the colors below). Stainless steel ring: also comes in different colors (Refer to the colors below). The Nest Thermostat comes in different colors.
Learn about Nest thermostat displays - Google Nest Help
Press the thermostat to manually switch to the Quick View screen if needed. Remember, Nest thermostats don't have touchscreens, press down until you hear a click. You can also find the temperature screen in the Nest or Google Home app. Tap your thermostat on the Nest or Home app home screen to bring it up.
Beginner's guide to the Nest thermostat - Google Nest Help
Control your thermostat. Nest thermostats don’t have a touch screen. Use the touch bar on the right side to control your thermostat. Swipe up to raise the temperature, swipe down to lower it, and tap to confirm. The display will show you how many minutes until …
Download documents included with your thermostat - Google …
Nest Thermostat E. Installation Guide (11 pages, 0.5 MB) Nest Learning Thermostat (3rd gen) Installation Guide (12 pages, 0.3 MB) Welcome Guide (2 pages, 0.6 MB) Nest Learning Thermostat (2nd gen) Installation Guide (6 pages, 0.3 MB) Welcome Guide (10 pages, 1.7 MB) Nest Learning Thermostat (1st gen) Installation Guide (7 pages, 0.5 MB) Nest ...
Nest thermostat technical specifications - Google Help
The Nest Learning Thermostat (4th gen) works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant. Heat pump with auxiliary and emergency heat (O/B, AUX, E) The Nest Learning Thermostat’s terminal can accept one of these wires: W3, E, HUM, or DEHUM. The AQ+ and AQ- terminals can accept 1-wire or 2-wire VENT ...
Install your Nest thermostat - Google Help
2. Set up your thermostat. 3. Get started using the Nest thermostat. Before you open the box. Make sure you’ve checked that your system will work with the Nest thermostat you’ve purchased. Check compatibility. A Nest Pro can make installation even easier. It’s easy to install a Nest thermostat yourself on most systems.
Learn about the common or C wire - Google Nest Help
Make sure the wire is fully inserted into the thermostat connector. Turn off power to your system and check that the wire is connected to the C terminal on your system’s control board. Turn power to your system back on and check that the issue is fixed. If not, contact a local Nest Pro for help.
Troubleshoot Nest thermostat help codes - Google Nest Help
These steps cover the following help codes: E255, E257, E258 E264, E269, E294, E405, E414, E419. If you didn't get a code, your thermostat will show you a link to let you know which wire you need to check. For example, if "g.co/nest/needWY" pops up, you need to check your W or Y wire.