Fix a problem
- Error codes
- Can’t connect Nest Protect to the app or Wi-Fi
- Why Protect’s green power light is on, but the app says the power is out
- Protect’s speaker or horn aren't verified by Sound Check or Safety Checkup
- Reset Nest Protect and erase all settings
- Troubleshoot when nothing happens after removing 1st gen Nest Protect's battery tab
- Troubleshoot wired Nest Protect power problems