How to Reset the Installer Code on a Honeywell Vista Panel Vista 20p Change Master Code
I did a series of short videos on how to do some user interface on a Honeywell security system. This will work with most Honeywell Honeywell Vista “User code error” demonstration Vista - Change Master Code · 1. Enter Master Code then press 8 · 2. Press 2 · 3. Enter new Master Code twice · 4. Keypad beeps if successful Ademco / Honeywell Vista 20P Keypad User Guide · Enter your 4-digit Master Code · Press [8] then 02. (User 02 is reserved for System Master.) · Enter in new 4- ...