If the battery is dead the detector may not work at all.
Adt motion sensor battery low.
If you get a zone trouble indicator on your alarm keypad or a sensor trouble warning on the adt pulse device the battery in either your window or door needs replacing.
As a reference below is a guide for all of the sensor battery types you may need.
Learn more at adt.
Adt has used a number of different sensors each of which is different.
If your adt system says low battery you need to replace it.
The keypad will display a low battery message typically bat or lo bat and the zone number of the location for the sensor that needs a new battery.
Have your id code replacement battery and know which zone has a low battery.
Ls 180 dc 3 6v 1800mah nickel metal hydride rechargeable battery.
If the low battery message does not clear after the battery is replaced for greater than 24 hours then you should delete and re add the sensor.
Next put your keypad into test mode after calling adt doing so with your access code 50.
Most systems will begin beeping or chirping as a result of a total power outage or failure to recharge the system backup battery.
Or call the service number on our contact adt page to alert adt before you begin the battery changing process.
Most systems run a test once every 24 hours to assess battery life.
Adt motion detectors report a low battery condition to the adt service center.
Motion sensors allow you to know when someone is in your home even when you are not.
No security system is complete without indoor motion sensors.
If your low battery is only from the motion detector you will want to follow the instructions for that.
Have your id code replacement battery and know which zone has a low battery when you call the service number on our contact adt page.
Or call adt to alert them before you begin the battery changing process.
Adt will call you and tell you which sensor needs a new battery and can offer advice on how to change the battery.