How to disarm an ADT smoke alarm?

Author: Naomi Barrows IV  |  Last update: Sunday, December 21, 2025

Command Touchscreen:
  1. Arm Stay: tap [Arm Stay], then enter [security code]
  2. Arm Away: tap [Arm Away], then enter [security code]
  3. Disarm: tap [Disarm], then enter [security code]

How do I turn off my ADT smoke alarm?

You can press the Test/Silence button to silence the alarm. For Smoke alarms, the ADT Base LED ring blinks red and the number pad disappears.

How to stop an ADT smoke alarm from chirping?

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.

Why does my ADT smoke alarm keep going off?

As far as technical issues go — assuming your wiring isn't to blame — there are three main categories to troubleshoot when your ADT home alarm or smoke detectors start crying wolf: motion sensor issues, door or window (entryway) sensor issues, and glass-break sensor issues.

How do I temporarily disable my ADT alarm?

  1. Arm Stay: [security code] + [STAY]
  2. Arm Away: [security code] + [AWAY]
  3. Disarm: [security code] + [OFF]

How do I bypass low battery ADT?

How do you stop a hardwired smoke detector from beeping?

To get your smoke alarm to stop chirping if you've already changed the battery, first try draining any residual charge by holding the test button down for 15 seconds. If this doesn't solve the problem, clean the unit. A blast of compressed air will often remove the dust particles that are causing the beeps.

How to reset an ADT smoke detector?

Remove the alarm from its mounting base. Press and release the reset button twice. Press and hold the button for 5 seconds until the red LED starts blinking quickly.

How long does an ADT smoke detector last?

Smoke and carbon monoxide detectors need to be replaced about every 10 years. Whether you have a wired or a wireless system, replacing individual units as they expire is worth what may feel like an unnecessary cost. Just remember that doing so is an investment in the safety of your family and your home.

How do I change the batteries in my ADT smoke detector?

Take the smoke detector off its base by turning the device cover counterclockwise approximately half of an inch.
  1. Remove the old battery. ...
  2. Once the old battery has been out of the device for 30 seconds, install the new battery, paying close attention to the (+) and (-) signs to ensure proper installation.

How do I disable my ADT sensor?

If you need to remove an ADT device from your ADT smart home security system, follow the Remove Device instructions:
  1. Go into the Main Menu of the ADT+ app.
  2. Tap Device.
  3. Select the device you want to remove, for example, Door Sensor.
  4. Tap the Remove Device button.

Can you disarm a fire alarm?

You can turn off a fire alarm by pressing its silencing button.

Do ADT smoke detectors work without service?

Does ADT equipment work if I cancel the service? You must have an active monitoring subscription with ADT to use the equipment that it provides. Otherwise, you miss out on most of the functionality.

What happens if I accidentally set off my ADT alarm?

Accidental alarms

If an alarm is accidentally triggered, cancel the alarm with your Base, ADT keypad or the ADT+ app. If you are unable to cancel the alarm in time, keep your phone line free so the ADT Monitoring Centers can reach you.

How do you disarm a ADT smoke detector?

Smoke Alarm

ADT has been contacted. Press the recessed test switch to silence the smoke detector sounder for 5 minutes. If necessary, silence the alarm keypad. Remove the source of the smoke, if it can be done safely.

How to stop an ADT smoke alarm from beeping?

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.

How do you hush a hardwired smoke detector?

Stopping a smoke alarm from beeping is often simple. Get a step ladder and carefully reach for the alarm. Pressing the “Test/Silence” button on the front of the unit should stop it from beeping or chirping. If this doesn't work, grasp the device and turn it counterclockwise.

Why does my wired smoke alarm go off for no reason?

Electrical Issues: Faulty wiring or low battery voltage can make your smoke detector act erratically. Ensure you change the batteries as recommended by the manufacturer, typically every six months. If you have hardwired detectors, schedule regular maintenance to check for any electrical issues.

How do I disarm an ADT alarm?

NOTE: You can also disarm your system altogether, by pressing OFF and then entering your User Code. Disarming your system will turn off any alarm you have caused. NOTE: The Exit delay and Entry delay are designed to give you enough time to leave or enter your home without setting off a false alarm.

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