How To Replace Batteries In Xfinity Home Door Sensor. The Xfinity Home security system gives you 247 professional home monitoring through the use of an assortment of unique tools and components such as door sensors motion detectors smoke alarms and thermostats. This is a 2032 lithium coin cell battery replacement for Xfinity Visonic MCT 340 SMA home security wireless door and window sensor.
The battery should fit inside the battery cradle. This kit also contains battery replacement instructions and double-sided tape. Press bottom of the face and push up to remove the sensor from the battery cover.
Apply the new sensor to the door frame.
Restart the Motion Sensor by removing its battery waiting a few seconds then reinsert the battery. Restart the Motion Sensor by removing its battery waiting a few seconds then reinsert the battery. Your security systems panel will inform you when a devices battery is low. When some devices batteries begin to expire a low-battery alert displays on the Xfinity Home app and if you have Xfinity Home Secure on your touchscreen.
