Open the alarm system panel box or can and locate the battery.
Replace attic alarm batery.
To change the battery first remove the screw in the motion detector.
Replace the battery observing the proper polarity.
Most panels just have the battery sitting on the bottom of the can.
Please note that we are not the manufacturers but we felt that a video would help as a l.
Once the battery is connected close the door to the panel.
Then replace the motion sensor.
The screw may be located on the top or bottom.
This video shows how to replace the battery in an ei144 heat alarm.
Use a flathead screwdriver to press the tab on the bottom of the motion detector.
If it s less than 5 years old or if there s no date written on it continue with testing.
Replace the battery by connecting the red wire to the red tab on the battery and the black wire to the black tab.
The low battery indicator may be displayed for up to 48 hours while the battery charges.