Door / Window Sensor Battery Installation –
Sercomm XHS2-SE
UEI XHS2-UE
Tyco XHS2-TY
What You’ll Need
• Sercomm XHS2-SE, UEI XHS2-UE, or Tyco XHS2-TY Door / Window Sensor
• One CR2450 battery
• Double-sided tape (optional)
How to Install the Battery
Before proceeding, please be 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. Cut the tape to size and reattach your Sensor if the existing adhesive fails to hold it in place.
Is This Your Sensor? Make sure that your
Sensor looks like the one in the image. If it
does, you have the right document to find out
how to install a battery in your Sensor.
1. Place your thumb or finger on the top edge
of the sensor cover and push/pull towards
the end of the Sensor. The cover will slide
a short distance and stop so you can pull
the cover off of the Sensor.
Take a Look. If a battery is already present,
remove it 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.
2. Insert the CR2450 battery by placing it flat
against the prongs in the battery
compartment with the negative (-) side
facing down. The battery should fit inside
the battery cradle.
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