How to Change the Battery in Your Glass Break Sensor

If you have received a Glass Break Sensor Low Battery notification, you will need to replace the battery promptly to ensure the device continues to function properly. Information to order replacements can be found in our article, How to Order Replacement Batteries.

How to Replace Battery

1. Disarm your system before you begin this process

2. Open the Glass Break Detector by turning the sensor counterclockwise. This will remove the sensor from the mounting plate. 

3. Unscrew the center screw on the inside of the sensor and lift up on the ridges along the edges to get inside the sensor. 

4. Pay close attention to the orientation of the (+) and (-) sides of the battery in the button

5. Place the new AA batteries in the detector. 

6. To remount the sensor, align the raised marks on the outside edge of the sensor and mounting plate and rotate clockwise.

To ensure that your Glass Break Detector is functioning properly, Test the sensor.