Disconnect the power source, wait 30 seconds, and plug it back in. 🔍 Root Causes of ZKTeco Authentication Failures
Before deep-diving, perform this 30-second reset: zkteco authentication failure solution best
(Invoking related search terms...)
For many access control models (like F18, F22), this hardware method works without deleting any user data. Disconnect the power source, wait 30 seconds, and