If you unplug the transformer, your alarm system will no longer receive power and that should stop the beeping sound for good.Mar 11, 2020
How do I get my ADT alarm to stop beeping?
Most systems will begin beeping or chirping as a result of a total power outage or failure to recharge the system backup battery. For many of our most popular systems, beeping alarms and low battery trouble beeps can be silenced by pressing the [OFF] or [#] buttons from the keypad.
Will my ADT alarm go off if I unplug it?
Yes. In case of a power loss, the back-up battery will activate and will operate your alarm system for several hours. In the event your system battery is or becomes low, a low-battery signal will be sent to ADT's Customer Monitoring Center.
How do I turn my house alarm off?
You can turn off or power down your home alarm system by disconnecting its backup battery and then unplugging the transformer for the device from the wall outlet. You can confirm that the panel has been powered down by checking its touchscreen or keypad and making sure that it is blank.Feb 23, 2018