Put the alarm system in test mode.
Change battery door alarm sensor.
Have your id code replacement battery and know which zone has a low battery.
You do not need to take down the entire device in order to replace the battery.
How to change your battery.
The batteries used in your door sensors can last for years after installation depending on use but like all.
Or call the service number on our contact adt page to alert adt before you begin the battery changing process.
Replacing the battery on the contact sensor 1st generation what type.
Press the cover release and remove the cover from your motion sensor.
Put the cover back on the device.
This model is not available in arizona las vegas or california.
If an battery is determined to be low the keypad will notify you with a recurring beep.
Replace with the new battery.
Dispose of the old battery properly as recommended by the battery manufacturer.
On most keypads this involves entering your alarm code and pressing the test button.
Place the new battery back in the device.
Slide the cover back on the sensor until it clicks into place.
Next put your keypad into test mode after calling adt doing so with your access code 50.
Step by step guide on how to replace a battery in a wireless door window sensor.
Once you have located which sensor needs a new battery follow our guide to change the batteries.
It s easy to replace and by doing it yourself you can save a bit of money.
By installing a wireless home security system.