Problem 1: In the process of use, registered fingerprints are difficult to pass, possible causes and elimination methods:
1. If the finger is pressed and placed correctly, please place it correctly.
2, fingerprints are not collected when registering, please collect and register again.
3, finger texture is poor, please replace other fingers.
4, dry fingers, please add water.
Problem 2: After starting the finger, the system reflects slowly or does not reflect, possible causes and troubleshooting methods:
1, battery undervoltage, please replace the battery.
2, dry fingers, please add water.
Problem 3: After you press the START button, the screen is on but not displayed, and the buzzer buzzes. Possible causes and troubleshooting:
The battery is under voltage. Replace the battery.
Problem 4: No response by pressing any key, possible causes and elimination methods:
1, the battery has been exhausted, please use the external backup power supply, and replace the internal power supply immediately after opening the door.
2. Unplug the power and reinstall it.
Post time: Aug-22-2023