How do you change the security code on a Honeywell alarm system?

How do you change the security code on a Honeywell alarm system? How to change the master code of a Honeywell Alarm system Press 8 (the CODE key). Press 02. Enter a new four-digit master code. Re-enter the new code. The keypad will beep once to let you know that the code has been changed. … Continue reading How do you change the security code on a Honeywell alarm system?