If you encounter the problem that the fingerprint safe or safe cannot be opened during use, you can solve it as follows:
Problem 1: After pressing the finger, the system reflects slowly or does not reflect the possible causes and troubleshooting methods:
1. The battery is under voltage, please replace the battery
2. Dry your fingers, please add water
Question 2: During the use process, it is difficult to pass the registered fingerprints. Possible causes and elimination methods:
1. Whether the finger is pressed and placed correctly, please place it correctly.
2. The fingerprint was not collected during registration, please register again.
3. The finger texture is poor, please replace other fingers.
4. Dry your fingers, please add water.
Question 3: After pressing the "START" button, the screen is bright but not displayed, and the possible causes and troubleshooting methods of the buzzer:
1. The battery is under voltage, please replace the battery
Question four: Press any key, there is no response. Possible causes and troubleshooting methods:
1. The battery is exhausted, please use an external backup power supply, and replace the built-in power supply immediately after opening the door
2. Unplug and reinstall
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