How To Open First Alert Smoke Detector?

How do you unlock a First Alert smoke detector?

Push the locking pin through the hole near the battery drawer on the back of the Smoke Alarm.


Remove the Smoke Alarm from the mounting bracket.

If the unit is locked to the bracket, see the section “To Unlock the Mounting Bracket.”

How do you change the battery in a First Alert smoke detector?

How to Replace a Smoke Detector’s Batteries That Keep Beeping

How do First Alert smoke detectors work?

Ionization Smoke Alarms are able to quickly detect fast moving fires. Think of a candle catching a curtain on fire- it happens quickly. A Photoelectric Smoke Alarm is quicker in sensing a slower, smoky fire- such as an electrical fire that starts within your walls.

How do I open my Intertek smoke alarm?

Home Maintenance: How To- Change Smoke Detector Battery

Why is my First Alert smoke detector chirping?

It is likely that the reason your smoke alarm keeps chirping and beeping is that the battery is low. Whenever your smoke alarm keeps chirping, replace the battery immediately. AC alarms will chirp every 5 seconds if the interconnect wire is grounded.

Why is my First Alert smoke detector blinking red?

On First Alert® carbon monoxide alarms, the red light flashes to show the Carbon Monoxide Alarm is properly receiving battery power. If you do not see the red light flashing, change the batteries in the alarm immediately.