This will quiet the horn so you can find what caused the alarm.

First alert smoke and co alarm beeping. Line up the guides on the alarm’s. Attach the smoke/co alarm to the mounting bracket. The green light flashes about every 60 seconds when the unit is receiving battery power.

In case of an emergency, your alarm will. 4 beeps and a pause: First alert alarms sequences are extremely loud at 85 decibels.

Smoke and carbon monoxide (co) detectors can false alarm for several reasons. How to change batteries in first alert alarms; False or nuisance alarms are when your smoke detector or co alarm goes off, but there is no presence.

It is time to replace the batteries in your carbon. First alert smoke alarm beeping 3 times. The most common sound is a continuous or constant beep.

To silence a nuisance alarm, press and hold the silence button on your unit. Well, if your first alert smoke alarm is beeping, you should immediately listen to it. This is the general detector warning sound and notifies you that there is a potential danger.

The alarm also has a silent mode, which eliminates the need to worry about nuisance alarms. When your alarm detects smoke in your home, the alarm will beep three (3) times in a loud, repeating pattern. This type of chirp means that smoke has been detected in your home.