Security Tip: Change Master Code to any Honeywell L3000 or Vista Panel

If you are ever looking to change the master code to your alarm system for a Honeywell L3000 or Vista alarm panel, follow these exact steps!

(1.) Enter your master code
(2.) Press the numbers 8,0,2
(3.) Enter your new code twice until the keypad beeps
(4.) Enter your old code to make sure it has been removed
(5.) Enter your new code to make sure it arms the system


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