Learn how to install or replace batteries in the Tyco XHS1-TY, UEI XHS1-UE, or UEI UEHM2AZ0 motion sensor.
Did you know? This motion sensor may display as model MP-841 or H74470BA00-0004 in trouble alerts.
What you'll need
- Xfinity Home Pro Protection, or Self Protection service
- Tyco XHS1-TY, UEI XHS1-UE, or UEI UEHM2AZ0 motion sensor
- Two CR123A batteries
- Double-sided tape (optional)
Difficulty
Easy
Do you need a battery?
Make sure you have batteries before you proceed. Visit your nearest retail store that sells batteries, or click the button below to order your replacement battery kit.
Call us at 1-800-XFINITY if you receive a low battery alert within 30 days of device installation.
How to install the batteries
If you subscribe to Xfinity Home Pro Protection:
Before proceeding, make sure that your system is disarmed. Working on devices while the system is armed can generate false alarms.
Did you know? You may want to have some double-sided tape on hand if you need to remove your sensor from the wall to install a battery. Use the tape to reattach your Sensor if the existing adhesive fails to hold it in place.
Help protect our environment: Please properly recycle your discarded batteries. For your convenience, batteries are accepted for recycling at various locations. Check call2recycle.org or call 1-800-8-BATTERY (1-800-8-228-8379) to find a recycling location near you.
Is this your motion sensor? Make sure that your motion sensor looks like the one in the image below. If it does, you're in the right place to find out how to install batteries in your motion sensor.
To install batteries:
- Grasp the small tab on the front of the motion sensor and pull up to slide it off the back cover.
- After removing the cover, you may receive a tamper alert from your system.
- The tamper alert warns you when the cover of your device is open and will clear once the battery is replaced and the cover is reattached.
- Take a look.
- If batteries are already present, remove them by gently using your fingertip to pull one end of the battery up until the battery is loose and you can pull it free from the slot.
- The battery compartment contains a diagram of the proper battery position with a symbol indicating which way the positive (+) end of the battery should be facing.
- Insert two CR-123A batteries into the battery slots positioning the positive (+) end of the batteries as shown in the battery diagram.
- Do not press down on the tamper (red square) when inserting the battery as this will trip the sensor.
- Reposition the guides on either side of the motion sensor with the track on the back cover. Slide the motion sensor down over the back cover until it snaps closed.
- When the batteries are inserted correctly, the red indicator light on the front of the sensor will light up.
- If you're replacing the battery, confirm that the low battery alert has resolved and the sensor appears on your list of connected devices in your touchscreen, Subscriber Portal, or the Xfinity Home app.
- Test the sensor to confirm that it's working correctly.