AEI DK 9830 factory reset, DK 9830 admin password recovery, change time clock password, ZKTeco DK 9830 manual, biometric terminal password change.
If you have lost your Master Code and cannot enter programming mode, you can use the jumper method to reset it to the default 1234 : Disconnect the power supply. aei dk 9830 change password
If the master code was never changed, you can log in with 123456 . AEI DK 9830 factory reset, DK 9830 admin
The Master Code is used only for entering programming mode. The default factory Master Code is typically 0000 . AEI DK 9830 factory reset