This is set within the management software (like ZKAccess 3.5 or ZKBioSecurity) to prevent unauthorized PC-to-device communication.
Some models have a physical button on the motherboard. Holding this while powering on the device typically restores factory defaults, though this will also erase your user database. zkteco password reset tool
This prevents unauthorized users from entering the menu on the physical terminal. This is set within the management software (like ZKAccess 3
The device will prompt for a password. You must enter a 6-digit code that corresponds to the time shown on the device screen. This prevents unauthorized users from entering the menu
Select your device and look for an option labeled or "Cancel Admin."
On many outdoor readers, removing the device from the wall triggers a tamper alarm. In some configurations, pressing the tamper switch three times within 30 seconds of powering on the device will reset the communication password to "0".