If the device randomly rejects users, the flash memory might have corruption.
Biometric sensors require physical clarity to function correctly. If the device cannot read a fingerprint or face, it will default to an authentication failure. zkteco authentication failure solution best
By 10 AM, the line was gone. D'Souza was sipping his chai, watching Arjun update the office SOP with a new rule: "Before calling IT, call the guard who remembers when this machine ran on parallel ports and patience." If the device randomly rejects users, the flash
Arjun, the senior HR manager, stood before a snaking line of 40 irritated employees. The device beeped angrily in red. flashed on its tiny LCD screen for the tenth time in a minute. By 10 AM, the line was gone
Use a PC to ping the device's IP address. If it times out, check the Ethernet cable or Wi-Fi signal strength.