The Mastercode must be between 4 and 8 digits, and you must program it directly at the lock (not through the Premis app).
The Mastercode is only used when adding and deleting user codes directly at the lock, and it cannot unlock the door (unless the same code is programmed as a user code — not recommended). The Mastercode is not used when adding codes through the Premis app.
Programming timeout: If the screen is not pressed for 20 seconds, the system will time out (indicated by 3 beeps and the “X” pattern flashing 3 times), and you will need to restart the procedure.
If programming is unsuccessful:
Programming timeout: If the screen is not pressed for 20 seconds, the system will time out (indicated by 3 beeps and the “X” pattern flashing 3 times), and you will need to restart the procedure.
If programming is unsuccessful: