Smart smoke and CO detectors provide mobile alerts and smart home integration. This guide covers common issues.
Detector Won't Connect
Setup issues:
- Brand app: Use manufacturer app for initial setup
- WiFi requirements: Usually 2.4GHz only
- Location: Place where you'll install before setup
- Battery: Install fresh batteries or connect power
- QR code: Many use QR code for setup
False Alarms
Reducing unwanted alerts:
- Placement: Keep 10+ feet from kitchen/bathroom
- Steam: Bathroom steam causes false smoke alarms
- Dust: Vacuum around sensor openings
- Cooking: Silence feature for cooking smoke
- End of life: Replace detectors every 10 years
Test Not Working
When test button doesn't respond:
- Hold button: Usually requires 3-5 second hold
- Battery: Low battery may prevent test
- Monthly test: Test detectors monthly
- Replace: Non-working detector should be replaced
Interconnected Alarms
Whole-home alert issues:
- Wired interconnect: Red wire connects wired detectors
- Wireless interconnect: Smart detectors link wirelessly
- All alarm: When one triggers, all should sound
- Mixed brands: Usually only same brand interconnects
Nest Protect Specific
For Nest Protect:
- Pathlight: Motion-activated night light
- Heads up: Voice warning before full alarm
- App silence: Silence from phone during cooking
- Self-test: Automatically tests sensors
Smart Home Integration
Using with other devices:
- Lights on: Turn on lights when alarm triggers
- HVAC off: Shut down HVAC to prevent smoke spread
- Notifications: Alert all family members
- Home Assistant: Integration varies by brand