Skip to content

How to Change the Password on Your ADT Alarm System

This article is a collaborative effort, crafted and edited by a team of dedicated professionals.

Contributors: Muhammad Baballe Ahmad, Mehmet Cavas, Sudhir Chitnis, and Zhen-ya Liu.

✓ Verified & Tested Information

If you’ve forgotten your password or just want to change it for security purposes, here’s a step-by-step guide on how to do it.


For consumers who have ADT alarm systems in their homes, it is important to understand how to change the password on their system. The ADT systems provide a level of security for homeowners that can help keep unwanted visitors from entering your home and also alerts emergency services in the event of any issues. By changing the code or password of your system, you can ensure that your system remains secure against potential threats.

This guide will explain how to change the password on an ADT alarm system, as well as explaining what other safety practices can be used to protect your home. Additionally, this guide will provide steps for resetting a lost or forgotten password and provide information about what kind of customer service options are available if you are having difficulties with changing the existing code or setting up a new one.

Gather Materials

If you need to change the password on your ADT alarm system, you will first need to gather some materials. These materials include a Phillips head screwdriver and a pencil or pen. You will also need the new password you would like to set for your system. Once you have all the necessary materials, you can begin the process of changing the password on your ADT alarm system.

Get the User Manual

Obtaining the user manual for your ADT alarm system is vital to changing your password safely and successfully. Going online to the ADT website is one way of finding the instruction manual; if you do not have internet access, you should contact Customer Support at 800-ADT-ASAP (800-238-2727) to request a copy. After locating the manual, make sure that you read it thoroughly in order to become familiar with how your ADT system works. This will help when it comes time to actually change your password, as different units may require varying steps and techniques. It’s important to never attempt changing the settings on an ADT system until you are completely familiar with how it operates.

Get the ADT Remote

To get started, you’ll need to have your ADT remote and any other materials that may be needed for your task. Depending on which system you have, this might mean having a Zigbee Remote Keypad, an RFK5500 wireless keypad and a 4-button wireless key fob.

If you use an RFK5500 wireless keypad, the device will already be linked to your system’s control panel through a signal sent by the control panel’s antenna. Before attempting to change your ADT password, make sure that both the device and the control panel are powered on and receiving power.

Furthermore, you will need at least four AAA batteries for RFK5500 keypads or two AAA batteries for Zigbee Remote Keypads. Once you have all of the necessary materials, it is time to begin changing your ADT password. Having all necessary materials within reach will save time and ensure that the process runs smoothly without interruption.

Setting Up the Alarm System

Setting up your ADT Alarm System is a great way to protect your home and keep your family safe. The first step is to set up the alarm system so that it is ready for use. This involves selecting a security code and setting up the alarm system’s sensors and detectors. In this article, we’ll walk through the process of setting up your ADT Alarm System and changing the password.

Access the ADT System

Accessing your ADT system requires a full user account with proper permissions. If the system was pre-installed by the company, you may need to call ADT customer support to gain access to the necessary information. To gain access to your ADT system, you will need your security code and a password that can be entered only once. Make sure you have securely stored all codes and passwords needed for accessing the system in an easily accessible location such as an online document or secure storage box.

Once you have gained access to the ADT system, look for the “Settings” tab. This will provide you with all available methods for securing, changing and resetting passwords on your ADT system. Follow each prompt carefully as it may depend on which type of control panel is installed in your home security system – Honeywell or Firelite panels are popular options.

Be sure to set up separate user accounts each with its own password; this will make it easier to track who has accessed the alarm system when needed. You should also set up strong passwords that consist of numbers, uppercase and lowercase letters, symbols and must be 8-15 characters long for added security protection against cyber threats such as keylogging attempts or data theft attacks.

Enter the Current Password

Once you have opened the ADT Pulse web portal in your web browser and logged into your account, you will be prompted to enter the current password of your alarm system. The current password is different than the new password that you will set up. Therefore, make sure that you type in the old password correctly and precisely in order to gain access. Ensure that all characters of the password are typed correctly, including any special characters or spaces if present.

Once the correct current password is entered, a screen showing a graphical representation of your ADT Pulse security system should appear onscreen. This screen will have a menu along its left side providing several customization options for different areas related to your alarm system setup such as General Settings, User Management and Alarm Troubleshooting. Select “User Management” from this menu in order to proceed with changing the alarm system’s password.

Changing the Password

If you’ve recently moved into a new home, or have lost your ADT alarm system password, you may be wondering how you can change it. It’s important to keep your security system up to date, and the first step is to ensure that your password is secure and updated. In this article, we’ll talk about the steps you need to take to change the password on your ADT alarm system.

Enter the New Password

Once you’ve determined the current and new passwords you’d like to use, it’s time to enter them into your system. Depending on the model of your ADT alarm system, this task can vary. We’re going to review the process for a basic Setup 4401/4402 system.

To enter the new password into your ADT alarm system, take off the cover of your primary keypad and Locate the main four switches beneath it (labeled A, B, C, and D). Using a small non-metallic item such as a pen or paperclip, press and hold down all four switches at once. After two beeps from the keypad, release all of them. Now enter in your old access code followed by your new access code twice-this confirms that your device has successfully changed over to the new password. To exit programming mode and return to normal operation, simply press # twice on any standard keypad unit or exit on any voice service device. Congratulations! You have now completed changing over the password for your ADT alarm system!

Confirm the New Password

Changing your ADT alarm system password is an important part of ensuring your security. Once you choose a new password, it is important to confirm the new password to make sure it was entered correctly. Follow these steps to make sure that your ADT alarm system is using the correct password and securing your home.

1. Enter in the new password on the keypad of your ADT alarm system twice as prompted.
2. Press ‘#’ or ‘*’ (depending on the type of keypad) after entering in the new password both times.
3. A confirmation sound or message will appear letting you know that your new password has been set successfully

Final Steps

Changing the password on your ADT alarm system is an important security step, and it’s easy to do. After setting up your new password, make sure to save it in a secure location or use a password manager. Once you have successfully changed your ADT alarm system password, there are a few final steps you need to take to ensure your security. In this article, we will discuss those final steps that you need to take to ensure your safety.

Test the System

Testing the system is a critical step in making sure your password change was accepted and that all of your doors, windows, and sensors are functioning properly. To ensure your ADT alarm system is still armed, turn the master system off and back on. This should trigger an alarm unless you have disabled this feature beforehand.

If you hear no sound indicating an alarm, then proceed to test out each individual component connected to your ADT alarm system. Open your doors and windows one at a time, then check the security panel’s display to make sure each is recorded correctly. If you cannot verify that each component is working properly online or via the automatic phone call notification feature of your ADT security system, then use other methods such as walking around to check if sensors are sounding off accordingly.

Take note of any errors or warnings throughout this process in case further troubleshooting is necessary. After successfully testing each component with no errors found logged in by your ADT security panel, you can be sure that the changes have been applied and that your new password will now protect your home from potential burglars or intruders.

Write Down the New Password

Once you have chosen a new password for your ADT Alarm System, it is important to properly document the change for future reference. Writing down the new password will provide you with easy access in case of a forgotten password situation. It is recommended that the new system password be written down and placed in a secure location away from the control panel itself or any other location easily accessible by unauthorized individuals.

For added security, ensure to jot down the date of when you changed the password along with your name and contact information in case of an issue in the future. By having this information readily available it can help speed up the process of retrieving or resetting your alarm system’s access credentials if ever needed.
Writing down your newly assigned systempassword and saving it in a secure place will help protect your ADT Alarm System from unwanted intruders and prevent delays caused by lost or forgotten passwords.

Store the User Manual in a Safe Place

Before you start the process of changing your ADT alarm system’s password, be sure to properly store the user manual that was provided with the system. It is important to store the user manual in a safe and secure location, such as a fire-proof lock box, since it contains important information like setup instructions and alarm codes. Knowing where to find this manual will help if you ever have trouble programming it or need to reset any settings. Having it on hand will also allow you to refer back to any particular details about how your system operates. Storing this manual in an easy-to-reach place can also help answer any questions friends and family might have when they come over.

How to Change the Password on Your ADT Alarm SystemCheckout this video:

Share this Article