How to change you alarm master code on a ADT keypad

How to change you alarm master code on a ADT keypad

  1. Get a green ready light
  2. Enter your current 4 digit code
  3. Enter 802
  4. Enter your new 4 digit code
  5. Enter your new 4 digit code again

At the end of step 5 you should hear a chirp sound. Press ## at any time to start the process over.

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