1. Power failure: Check whether the power cord of the door lock is properly connected, and whether the plug is loose or damaged. If the door lock uses a battery, check whether the battery is damaged or expired and needs to be replaced.
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2. Charger problem: Check whether the charger of the door lock is damaged or cannot be charged normally. Try replacing the charger and reinserting the lock for charging.
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3. Charging port problem: Check whether the charging port of the door lock is damaged or there is dust or debris entering, resulting in normal charging. Try to wipe the door lock charging port with a soft cloth, and reinsert the charger for charging.
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4. Other reasons: If the above three situations have been checked, there may be a problem inside the door lock, and you need to contact the manufacturer or after-sales service for maintenance.
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In short, if you encounter the problem that the smart door lock can not be charged normally, you need to investigate and solve it according to the specific situation. If you can't handle it yourself, you can seek help from the manufacturer or after-sales service
If the door lock cannot be charged, first check whether the charging cable is firmly connected and whether the plug is normal. If the connection works, try replacing the charger or charging cable, making sure you are using an adapter. If the problem still exists, it may be that the charging interface inside the door lock is damaged or the battery is aging. Contact the manufacturer or professional maintenance personnel to repair or replace the battery.