Input New Master Code: Enter the new code you wish to use. Confirm the Change: Press the program button to save the new master code. Step 6: Manual and Automatic Locking Features. Understanding both manual and automatic locking features is crucial: Manual Lock/Unlock: Use the keypad or the physical key to lock/unlock.. How to Change the Master Code on a Defiant Electronic Lock. Before we head over to the instructions, keep in mind that a new Defiant lock comes with a default 6 digits Master Code—123456.This code allows you to put the lock in programming mode and then make changes to the lock programming.
To program a Defiant door lock: For basic defiant keypad lock programming, please check the following Defiant lock set instructions: 1, Press and hold the [SET] button until the unit beeps, then release the [SET] button. 2, Enter the current Master Code (6 digits), then press the lock button. 3, Please choose the following operation you want.. This video will cover how to change the master code on a defiant lock, as well as how to add a user code, delete a single user code, and delete all user code.