Smoke Alarms
Introducing Nest Protect
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Explore features and settings
- Browse all features and settings
- How to silence Nest Protect
- Control your Nest Protect
- Alerts and notifications
- Learn how Nest Protect works
- Learn about Nest Sense
- Learn why Nest Protect doesn't have wired interconnect
- How to change the language your Nest Protect speaks
- How to replace Nest Protect's batteries
- Differences between wired and battery-powered Nest Protects
Safety and certifications
- Learn about Nest Protect's certifications
- Can I use Nest Protect in California?
- Learn about carbon monoxide
- Learn about carbon monoxide levels in your home
- What to do if Nest Protect detects smoke in your home
- How to recycle your old smoke + CO alarm
- Learn about the different types of fires
- Learn about the symptoms of carbon monoxide poisoning
- Learn what to do if carbon monoxide is detected in your home
- Learn what is an evacuation plan
- Learn about Emergency Shutoff
- Learn why carbon monoxide (CO) alarms don't need to be installed near the floor
- Learn more about Safety Rewards
- How to enroll in the Safety Rewards program
- How to cancel and stop participating in Safety Rewards
Fix a problem
- Error codes
- Offline and Wi-Fi issues
- Troubleshoot connecting Nest Protect to the Nest app or Wi-Fi network
- Troubleshoot when Protect sounds false smoke alarms or the app says 'The smoke sensor has failed
- When do I need to replace my Nest Protect?
- Learn about what to do when Nest Protect’s green power light is on, but the Nest app says the power’s out
- What should I do if Nest Protect’s speaker or horn can’t be verified during Sound Check or Safety Checkup?
- How to reset Nest Protect and erase all your personal settings
- Troubleshoot when Nest Protect batteries are low out of the box
- Nest Protect software update history
- Troubleshoot when nothing happens after removing Nest Protect's battery tab
- How to tell if your wired Nest Protect isn’t receiving power and what to do
- Recommended Wi-Fi network and router settings for use with Nest products
- Wi-Fi routers that are incompatible with Nest products
- Troubleshoot when you don’t receive your Nest Home Report
- Troubleshoot phone location for Android
- How to troubleshoot a Works with Nest connection
- Painting Nest products: dos and don'ts
- Troubleshooting Wi-Fi and connection issues
- Troubleshoot QR code scanning with your phone’s camera
- How to find your Nest product's MAC address and add it to your router's whitelist
- How to change your Nest email language
- How to check the Nest app version you have on your phone or tablet
- Why your Nest Home Report is in the wrong language and how to change it
- Don’t share your account email and password
- Troubleshoot phone location for iOS
- How to keep your Nest products clean
- How to check the charge level of Nest Protect’s batteries