Open the alarm system panel box or can and locate the battery.
Replace attic alarm batery.
Use a flathead screwdriver to press the tab on the bottom of the motion detector.
Then replace the motion sensor.
The screw may be located on the top or bottom.
If there is a date written on the battery and it s at least 5 years old replace the battery.
Most panels just have the battery sitting on the bottom of the can.
Replace the battery by connecting the red wire to the red tab on the battery and the black wire to the black tab.
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.
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.
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.
The low battery indicator may be displayed for up to 48 hours while the battery charges.