Every time one is provided with a new ADT alarm system that has been installed in a home or business premises, he or she will be taken through the settings of the alarm and also taught how to activate and deactivate it. Some of these measures include programming alarm codes so that you and any other people who you want to have access to the system can manage it in a way that triggers the alarm. It is important to note that ADT systems can accommodate up to 40 alarm codes at a given instance.

Over time it may become necessary to reprogram codes on the alarm or remove codes that may no longer be relevant. For instance, if an employee who has authorized a code for alarms at the company gets relieved of their duties, you should revoke the code. Or you may just want to update the code from time to time for extra measures for security. However, you do not have to worry about this because altering or erasing the ADT alarm code is not a complicated task that can only be done by a professional; you can do it on your own using the keypad.

Here is a step-by-step guide to changing your ADT alarm codes: 

  1. Go to the Keypad The first one involves accessing the ADT keypad panel that is usually secured on the wall and inputting your master code. This main code gives the system permission to arm/disarm and any changes that may be required fully. The following steps are only possible if you already know the master code in the game:
  2. Enter Program Mode Once the code is set, entered, and confirmed as the master code, the menu of the keypad programming mode is accessible. This is done by pressing the button located underneath the cover and at the extreme left of the keypad and labeled “Program”. The keypad will emit a beep sound and the display will show “20” to confirm the keypad is in program mode.
  3. Select Program Code 20 Key in the 20 key and then the “Select” key. The screen should now read something as “Master Code 001. ” You can now substitute the master code or any other code with the address of 001. This means that compared to the previous model, there are 40 addresses to choose from which means 40 separate codes.
  4. Enter the Address These are simply the 2-digit address for the code you want to change. For instance, to set the master code, the user would have to input the digits ‘001’; if the user wanted to manipulate the code in location ‘12’, he would input ‘012’.
  5. Enter the New Code Once the desired address is inserted in the corresponding field, it is necessary to enter the new 4-digit code for the selected user. just be sure to choose something basic that the user will be able to remember is secure. The panel should ideally beep following each of the digits pressed.
  6. Confirm the New Code The system will ask you whether you want to change the code and if yes, will request for the new code to be entered once more to ensure correctness. Next, he has to re-enter the same 4 digits which are already shown on the screen.
  7. Save the New Code When the above code has been verified, press the ‘Select’ button once. The keypad will make a beeping sound informing the user that the code has been stored in that particular address. The screen should then briefly flash up the words ‘Success’ before returning to the address, such as ‘012’.
  8. Exit Program Mode Last of all, there is the “Exit” button once the codes have been altered by the user. This will bring you back to the main disarmed screen from the programming screen so that you make a return to normal. This involves running new code to ascertain whether it will behave in the intended manner, or not.
  9. Delete Old Codes Thus, if a user needs to delete an old code that is no longer required, he or she will have to again enter the program mode and choose the address of the code they want to delete. Then choose the “Select” button and instead of inputting a new code, use the “Bypass” key. This will clear all the existing code at that address to oblivion If you prefer the second approach, you will add your new code at this point.

It is thus easy and fast to change the ADT alarm codes after following the above basic steps of operation. The flexibility of changing codes enables one or more individuals to have better control and security since only the people with the correct codes at a particular time can gain access. It also offers additional security by ensuring that former inhabitants of your house cannot gain access to your home. Even resetting the master and user codes occasionally is a basic security measure that should be followed.

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