I.Fingerprint lockWhat is the cause of the noise?
1、This could be due to a dead or malfunctioning battery, which may also cause the doorbell to ring unexpectedly.
2. It could be that there is a short circuit in the circuit. We need to disassemble the fingerprint lock to check if the issue is with the circuit.
3. This could indicate that the fingerprint lock has malfunctioned, which could also cause the doorbell to ring unexpectedly.
Two. What should I do if the fingerprint lock makes a strange noise?
1. If the battery is depleted, simply remove and replace it with a new one, and then try again. Alternatively, if the battery connection is poor, replacing it may resolve the issue.
2. Electrical short circuits are common occurrences. Please check the doorbell circuit for any installation errors. If necessary, reconnect the wires. If there is any looseness or aging, the wiring needs to be re-arranged.
3. If the fingerprint lock malfunctions, it may continuously emit a sound or encounter issues during setup. If the problem is due to a setting, simply adjust the settings. However, if the issue lies with the fingerprint lock itself, it requires inspection and repair, and may necessitate replacement.