Troubleshooting a “Failed to connect” error on your Nest thermostat

Here are some steps you can take if your Google Nest thermostat is having trouble connecting to a Wi-Fi network for the first time, or after you’ve made some changes to the network.

You might see a Failed to connect error when you:

  • Install your Nest thermostat and try to connect it to
    Wi-Fi for the first time

  • Re-connect your thermostat to a network whose
    name or other information has changed

  • Select a different network to connect your
    thermostat to, if it was previously connected to one

failed to connect thermostat image


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