If the fingerprint lock cannot be charged via USB, it may be due to the following reasons:
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1.USB port fault: If the USB port is burr or damaged, the power supply may fail to contact the USB port. You can try to use another USB port or replace the data cable to test whether it is charging properly.
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2. Battery aging: If your fingerprint lock is used for a long time or the battery is aging, it may not be able to charge normally. You will need to replace the battery to resolve this issue.
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3. Insufficient charger voltage: If the charger voltage you use is insufficient, it may cause slow charging or no charging. It is recommended to use the original manufacturer or specifications of the charger for normal charging.
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If the fingerprint lock you use is wireless charging, it may also be unable to charge because the wireless charger is faulty or the wireless charging base is broken, you can replace the wireless charger or wireless charging base to solve the problem.
1. It may be because the USB interface of the fingerprint lock is incompatible with the USB interface of the charger or computer, or there is a problem with the charging cable. 2. The USB interface of the fingerprint lock may require a specific voltage and current to charge, and if the voltage and current provided by the USB interface of the charger or computer do not meet the requirements, it cannot be charged.
In addition, the charging cable may also have poor contact or damage.
3. If you encounter this situation, you can try to replace the charger or the USB port of the computer, or replace the charging cable.
If it still cannot be charged, it is recommended to contact the after-sales service center of the fingerprint lock for repair or replacement.
In general, the fingerprint lock appears this fingerprint, password can not open the lock problem, basically is the battery contact problem, such as the battery is not installed, there is loose; Or the battery is dead, or the battery is not enough to drive the unlock.
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If it is the first case, we only need to remove the battery and then reinstall it; If it is the second case, you only need to replace a new battery.