Common faults of fingerprint safe trouble shooting method of fingerprint safe problem 1: during the use process, it is difficult to pass the registered fingerprint through the possible causes and troubleshooting methods: 1 whether the fingers are placed correctly, please place them correctly. 2. The fingerprint was not collected during registration. Please re register. 3 the texture of fingers is poor, please replace other fingers. 4 fingers dry, please add water. Problem 2: after pressing the finger, the system reflects very slowly or does not reflect the possible causes and troubleshooting methods: 1. The battery is under voltage, please replace the battery. 2 fingers dry, please add water. Problem 3: after pressing the 'start' key, the screen will be bright but not displayed, and the buzzer will sound. Possible causes and Troubleshooting: 1. The battery is under voltage, please replace the battery. Problem 4: press any key to avoid reaction. Possible causes and Troubleshooting: 1. The battery power has been exhausted. Please use the external standby power supply, and replace the built-in power supply immediately after opening the door. 2 unplug the power supply and install it again.
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