Turn on Lock- There are 2 sets of passwords when using the cabinet lock for the first time. User code "1111" and master lock "0000 0000", user code and main code are the latest 4-10 digits. Enter the correct password you set (if you haven't changed it, use the default password) and press the "#" button to turn it on. If the password is correct, the green LED is on; or, the yellow LED is flicking.Please pull the door during the green indicator light.Turn off Lock- PRIVATE TYPE: Push the cabinet door to the closed state and then close the lock.COMMON TYPE: When the cabinet is locked in the open state (latch/bolt is in the retracted state), push the cabinet door to the closed state, enter the password you set, then press the # key to confirm, then you can turn the lock off (enter you Set the password, it can open the lock again).Change Password- The default password is set by the manufacturer and is used only for the first time. Please change your password in time to ensure security and be sure to remember your new password. If you forget after changing your password, don't worry, please contact us in time, we will give you enough support in terms of technology.Change User Code- PRIVATE TYPE CHANGE USING CODE: Step 1. Press the "#" key or left button twice. Step 2. Enter the old user password. Step 3. Press the # key or the left button once. Step 4. Enter the required new user password. Step 5. Press the # key or the left button once.Then the green light will flash once for two seconds, and the lock will sound "Di~Di~". The user password has now been successfully changed.