Facial recognition failures can be a little more complex, but most have simple solutions.
Older firmware versions may have bugs that cause connectivity issues with management software.
Poor initial enrollment is the leading cause of ongoing authentication failures. Log into the device menu as an . Navigate to User Mgt. > Manage . Select the problematic user and choose Edit . Delete the old fingerprint template. zkteco authentication failure solution best
Some installations require multiple users to authenticate before a door unlocks. Access control combinations may require verification of two or more users from specified groups. When a single user authenticates successfully but the combination requires multiple verifications, access is denied.
If they differ, update the software to match the physical device. Facial recognition failures can be a little more
Part 1: Solutions for User Authentication Failures (On the Device Screen)
Always backup your user data before updating. Contact your vendor for the specific firmware file for your model (e.g., F18, MB20, or SpeedFace series) to avoid "bricking" the device. Still Having Trouble? Log into the device menu as an
By following these troubleshooting steps, you can resolve the vast majority of ZKTeco authentication failures efficiently.
Check the camera lenses for smudges or film. Even a thin layer of dust can prevent the AI from mapping facial points correctly.
Ensure no other cards (like credit cards) are near the badge, as "signal clashing" can cause a read error that looks like an authentication failure. 2. Address "Dry Finger" Syndrome