What is Needed
2 – CR-123A Batteries
- Ensure the panel is disarmed.
- Remove the cover by twisting counterclockwise.
- Remove the old batteries.
- Wait 15-20 seconds.
- Install 2 replacement CR-123A batteries.
- Replace the cover by lining up the grooves and twisting clockwise.
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Test the sensor.
- Check the panel to ensure the error has cleared.