- 1). Input the master code for the system using the numbers located on the keypad. The master code for the system was provided to you when your alarm system was installed. If you don't have it, contact the company that installed your system and request it.
- 2). Push down firmly on the "8" button. Now press "0" and then "2." The code button is "8" and utilized to provide various settings for the system. The numbers "0" and "2" are the codes which reset the master code.
- 3). Input a new system code on the keypad twice. You have now changed the code on the Ademco security system.
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