Change both if there are two and replace with two new batteries after at least 30 seconds.
Adt motion sensor battery change.
Learn how to easily change the battery in your adt motion sensor.
Put the alarm system in test mode.
This video is about changing a motion battery.
You can open the sensor with a flathead screwdriver wedged into a notch at the base and twisting to remove cover.
Once cover is back on wait 4 minutes to test.
Next put your keypad into test mode after calling adt doing so with your access code 50.
Adt will call you and tell you which sensor needs a new battery and can offer advice on how to change the battery.
Most systems run a test once every 24 hours to assess battery life.
How to change your battery.
This video is about changing a motion battery.
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Next put your keypad into test mode after calling adt doing so with your access code 50.
Adt has used a number of different sensors each of which is different.
Adt motion detectors report a low battery condition to the adt service center.
If the battery is dead the detector may not work at all.
Change both if there are two and replace with two new batteries.
If an battery is determined to be low the keypad will notify you with a recurring beep.