How to turn off the ADT alarm beeping? (Multiple Alerts)

ADT is one of the most popular security solutions out there. It requires minimal maintenance, and no special training is necessary to understand how it works.

If you hear constant alarm beeping coming from your ADT Alarm System, it usually means your battery is running low. Fixing it is easy – To turn off the beeping from your ADT Alarm System, you’ll need to press the OFF button on the keypad (if your keypad is already configured with a number, press and hold the correct key). You can press the # key if this does not work. Then all you need to do is replace your old battery with a new one.

How to Turn Off an ADT Alarm Beeping

ADT System

To turn off the beeping from your ADT Alarm System, you’ll need to press the OFF button on the keypad (if your keypad is already configured with a number, press and hold the correct key). You can press the # key if this does not work.

A low battery or a dead battery can prevent your ADT Alarm System from operating correctly. We recommend replacing the battery with the model number indicated on the back of your keypad. This will help you avoid any false alarms and ensure peace of mind.

The ADT low battery beep is a good reminder to change the battery in your transmitter. While there is no proper solution, if you replace it every 6-12 months, you will most likely not experience a low battery alert for a long time.

When your ADT Alarm System is beeping, it means that it is low on power. This means that your security system will not detect any changes in the space, such as a break-in. Advising you of any changes to the environment is precisely what an ADT home alarm system is for.

How to Recharge the Batteries?

ADT recharging batteriesWhen there is a power outage, your ADT Alarm System will automatically send signals using the backup battery. You will notice the beeping on your keychain remote control has changed to a higher-pitched frequency.

This is because the alarm system is now sending signals via the backup battery. The alarm itself has a design to switch seamlessly in this manner, ensuring that you always receive adequate protection throughout the day.

For a safety alert notification to beep continuously, it is helpful to change the backup battery. The notification indicates that there is an apparent low voltage. Revive the batteries by doing the following:

  • Mute the beep as mentioned above (# or OFF keys).
  • Wait long enough for the power supply to be on.
  • Wait 48 hours when power is reset, along with recharging the original battery.
  • Replace the battery after the 48-hour recharge if the low battery alert appears again.

Other Possible Issues

ADT disarm chimeBefore replacing the battery, make sure no other issues could be causing the beeping.

You should be able to use it for up to three hours of moderate use while it’s beeping through the backup battery. After ruling out if it’s a low battery issue, we can go over several options tailored to resolve your particular issue.

Your system is alerting you because something in your ADT Alarm System has changed. The first reason that the alarm system could alert you that your battery is low is that the battery itself may be old and no longer working.

Your monitoring center has a backup battery to ensure you are always protected. This battery backup will alert your monitoring center after the disconnection of your emergency power supply.

Power Outage

power outageAlarm systems alert you or your security company when your home is either broken into or an intruder nearby. They use power from a battery backup that keeps the system running during a power outage and sends signals to your phone via Wi-Fi. (1)

A loss of AC power warning indicates a problem with your system’s power supply. This may mean that the battery is low, and you may need to replace it soon. Statistically, the most common cause of a security alarm is loss of AC power.

Robbers use codes from these keypads to determine whether a house is empty and a prime target for burglary. 

If your lights are dimming or flickering, and other appliances and fixtures are turning off intermittently, you should check the transformer. The transformer that converts the signal from your security system into a signal that can power your panels is an essential part of any alarm system.

The AC power transformer (the tube-shaped part that connects to the outlet) must be properly connected. If it is not, the unit may beep to indicate a problem. If the socket gets hot, the connection is good.

If the connection is secure, it is necessary to check whether the socket itself has a defect or whether the circuit breaker has a fault. You will need to call a service technician to find out what the problem is and fix it.

Phone Line Connection Problem

phone line connection problemA landline phone issue could be causing your security system’s alarm to go off. If you have a monitored security system and use landline monitoring, it could trigger a connection problem with the telephone line.

The simple way to confirm a problem with your phone line is to pick up the phone and listen for a dial tone. If the line is dead, this may be why your alarm has begun beeping. If you are having trouble with your phone lines, we recommend seeking assistance from a professional.

This may require contacting your provider for additional troubleshooting, and you can make sure it isn’t an issue on their end. While landline monitoring is cheaper than cellular monitoring, you should still consider that the FCC recommends cellular monitoring instead of landline. (2)

Wrapping Up

Although you can’t control a power outage, you can avoid low battery beeps. Replace the battery before it runs out. This will ensure that you are not left unprotected in times of emergency.

The best way to improve the performance and life of the security system is to change the battery every 3 to 5 years. This is the right amount of time as a precaution and to minimize the possibility of your surveillance system shutting down if there is a power outage.

(1) Wi-Fi –
(2) FCC –

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About John Fox

ebbb364ee14268bd3b77496cab3d1d78?s=90&d=mm&r=gCertifications: Certified Alarm Technician (CAT)
Education: Denver Security Academy
Lives In: Denver Colorado

John Fox has worked as a security consultant in Denver for over 20 years.
With Safe Now, he's taken those two decades of experience and decided to share it to help people online make the right security decisions for their businesses and families.

John writes security tips and guides, product recommendations, and prevention guides.

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