If there is a date written on the battery and it s at least 5 years old replace the battery.
Replace attic alarm batery.
Please note that we are not the manufacturers but we felt that a video would help as a l.
The single beep we heard every 30 seconds turned out to be a smoke detector who s battery needed to be changed.
Once the battery is connected close the door to the panel.
Use a flathead screwdriver to press the tab on the bottom of the motion detector.
In most households this would not be any more difficult than reaching up with the aid of a small step ladder removing the unit and replacing the battery.
The screw may be located on the top or bottom.
Replace the battery observing the proper polarity.
Replace the battery by connecting the red wire to the red tab on the battery and the black wire to the black tab.
Then replace the motion sensor.
If it s less than 5 years old or if there s no date written on it continue with testing.
To change the battery first remove the screw in the motion detector.
This video shows how to replace the battery in an ei144 heat alarm.