The first step is to open the package.

First alert carbon monoxide alarm replace battery. First alert offers a variety of battery. Thank you for watching and don't forget to test. Use the plastic tab to gently open the battery compartment.

This means that the detector has low. It can be mounted on the ceiling and wall. If this helped you out and you'd like to show your a.

So, firstly use a plastic tab to open the battery lid gently. Remove the motherboard and battery cover. Refer to the list to find the right batteries for common first alert alarms.

4 beeps and a pause: This indicates that it’s time for a replacement. Can you replace the battery in a sealed smoke detector?

When the battery becomes weak, your onelink smart smoke & carbon monoxide alarm will turn yellow and chirp approximately once per minute. For more information on how to replace detectors that require 9v batteries, read: First alert smoke and carbon monoxide detector uses an.

Using flat screw drivers, pull apart the four tabs on the smoke detector. What do beeps or chirps on my alarm mean? How to replace a 9v battery.