Short press the U/I button again while in setting mode. The current digits will flash. Turn the knob to set your maximum current limit (essential for CC mode/charging).
If you are still unable to find the manual after following this guide, leave a comment below with the exact device markings (manufacturer, FCC ID, or PCB revision). This community-driven approach has helped hundreds of engineers recover “lost” documentation for rare ZK-series hardware. zk5kx manual
| Problem | Possible Solution | | :--- | :--- | | | Ensure finger is clean and not too dry/moist. Try enrolling the finger again with higher quality. | | Door does not open | Check wiring of the lock. Check the Relay settings in the "Access Control" menu. | | Cannot connect via Network | Ping the device IP from a PC. Ensure the IP address is not duplicated on the network. | | Forgot Admin Password | Contact ZKTeco support for a specific reset procedure or use the "Reset to Factory Settings" jumper on the mainboard (requires opening the device). | | Screen displays "Please reconnect device" | Restart the device by disconnecting and reconnecting the power. | Short press the U/I button again while in setting mode
