: Choose between permanent, timed, or one-time access, then click "Send." Using the Emergency Mechanical Key
Over time, the biometric sensor itself may fail or become uncalibrated, sending false readings to the mainboard. 4. Firmware or Software Glitch zkbiolock register key hot
The "Register Key" error typically occurs when the ZKBioLock software cannot validate its software license or communicate with the USB registration key (frequently referred to as a "hot" or active USB dongle). : Choose between permanent, timed, or one-time access,