The system will lock for a period of time if the number of incorrect unlocking attempts reaches the limit within a short period. After the lockout period ends, you can try again.

First, check if the door lock's power supply is functioning properly. Second, make sure you have pressed the SET button before searching for the device. Third, ensure that your phone's Bluetooth is turned on and functioning normally, and that the app has been granted permission to use Bluetooth.

This may be due to a damaged fingerprint, excessive moisture, or dirt on your finger. Try cleaning your finger and retrying. You can also register multiple fingerprint credentials for the same finger to improve recognition success.

Press and hold the SET button on the back panel of the lock until you hear a voice prompt. Keep holding the SET button, and after a "ding" sound, the lock will reset to factory settings.