If a user is enrolled but restricted by time zones (e.g., they can only enter from 9 AM to 5 PM), attempting to authenticate outside those hours will result in a failure (often with a specific tone or "Time Zone Error" message).
Contact ZKTeco authorized support if:
Last updated: 2025
Step-by-Step: How to Fix ZKTeco Authentication Error * Step 1: Open ConDev.exe. Launch ConDev.exe on your computer. ... * Step 2: ... Activit Solutions How to Resolve Biometric Authentication Failure: Step-by ... Table of contents * 🔍 Why Biometric Authentication Fails. * 🧭 Step 1: Clean the Scanner and Your Finger. * 🔁 Step 2: Try a Diff... tech-now.io ZKTeco S922 Locked Admin Solution: Factory Reset - Idency If you're unable to see the device when when doing a search to add the S922, reset the device by using a paperclip to depress the ... Idency 3 sites How to Fix ZKTeco Authentication Error on Biometric Devices Dec 13, 2022 — zkteco authentication failure solution
: If the device is connected to management software like ZKTime or BioTime, you can clear the administrator status via the Device Management or AC Parameters tab. 3. Network or Software Connection Failure If a user is enrolled but restricted by time zones (e
: A flickering or "frozen" screen might indicate power fluctuations. Perform a hard reboot by disconnecting the power for 30 seconds. 2. Software Troubleshooting: Resolve Connection Issues Table of contents * 🔍 Why Biometric Authentication Fails