DSC-PG9945 Battery Replacement

DSC-PG9945 Battery Replacement

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PG9945—Battery Replacement

When it is time to replace the battery in your door/window sensor, you will see an alert on your system panel, as well as a notification in the Alarm.com Mobile App

The DSC PG9945 door/window sensor requires a 3-volt lithium CR123A battery, which can be purchased at your local hardware, mass retailer, or battery store.

Step-by-Step Instructions:

1. Locate the sensor with a low battery on either your system panel or in the Alarm.com Mobile App

2. Insert a flat-edged screwdriver into the slot and push upward to remove the cover, then remove the screw and separate the cover from the base.

DSC PG9945 Open Device DSC PG9945 Unscrew and Remove Cover


3. Remove and replace the 3-volt lithium CR123A battery.

DSC PG9945 Remove and Replace Battery


4. Make sure the area where the batteries are stored is clean and there is no corrosion.

5. Put the cover back on starting with the opposite end from which it was opened, returning the screw then the outer cover. You should hear a snapping sound if it closes correctly.

6. Check if the low battery status has cleared from the keypad or Alarm.com Mobile App


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