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Replacing Batteries in Motion Sensors

Solution

Follow the steps below or watch the video to replace the batteries in the Homelife Motion Sensors.
 

Important: After replacing the equipment battery, acknowledge any error on the touchscreeen and then reboot it. Refer to Rebooting the Homelife Touchscreen.
 

Visonic MP-841 Motion Sensor Replacing the Batteries

This device requires two CR123A batteries.

  1. Press upward on the motion sensor to separate the motion sensor from the bracket. This procedure is used when the motion sensor is mounted on the wall.
  2. Replace the batteries using two Lithium CR123A batteries. Ensure the batteries are in the right polarity.
  3. Put back the motion sensor on the bracket using the same instructions after mounting the bracket.
  4. Push down until a click is heard.

Bosch Brand - Model #ISW-ZDL1-WP11G Replacing the Batteries

This device requires six AA batteries.

Watch the video.

  1. To open the sensor, unlock it by inserting a small screwdriver into the locking notch located on the bottom of the sensor. Turn it to the unlock position.
  2. Hold the base and slide the unit body down to remove it from the base.
  3. Remove the old battery and dispose of it properly, as recommended by the battery manufacturer.
  4. Insert new batteries.
  5. To close the sensor, slide the detector back onto the base and lock the detector at this time.

Bosch Brand 2nd Generation - Model #RFDL-ZB-MS Replacing the Batteries

This device requires two CR123A batteries.

  1. Using a small flathead screwdriver, turn the slotted switch at the base of the sensor one-half turn clockwise.
  2. Remove the cover from the base.
  3. Using your finger, carefully pull the battery compartment from the cover.
  4. Remove the old batteries and dispose of them properly.
  5. Insert two CR123A batteries, observing proper polarity.
  6. Replace the self-locking cover onto the base.

Visonic Brand Replacing the Batteries

This device requires one CR123 batteries.

Watch the video.

  1. Loosen the bottom screw on the motion sensor with a Phillips screwdriver until the cover pops off.
  2. A green board is held in at the top by a catch tab. Gently pull this tab up.
  3. Remove the board from the case by pulling the section closest to the catch tab first. Gently remove the board from the sensor and set it aside.
  4. Remove the old battery and dispose of it properly, as recommended by the battery manufacturer.
  5. Replace with the new battery.
  6. Re-insert the board’s tab-like bottom back into the cover.
  7. Lean the board forward until the tab clicks into place.
  8. Reconnect the base and cover, and tighten the screw base.

SMC Brand Replacing the Batteries

This device requires three CR123 batteries.

Watch the video.

  1. Loosen the screw at the bottom of the sensor with a Phillips screwdriver.
  2. Insert a flathead screwdriver under the cover by the screw and twist to remove. Set the cover aside.
  3. Remove the old batteries and dispose of them properly, as recommended by the battery manufacturer.
  4. Replace all three old batteries with new batteries.
  5. Slip the back cover back on until you hear it snap into place.
  6. Tighten the screw.

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