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Intelligent fingerprint door lock supplier china shell structure

The shell structure of an intelligent fingerprint door lock supplier china includes a door lock casing, a protective casing is provided on the side of the door lock casing close to the fingerprint identification module, and an opening is provided on the side of the protective casing away from the fingerprint identification module .

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Interior installation of bedroom door lock from China manufacturer

Determine the opening direction. Generally, the door has 4 opening directions, namely left outer, left inner, right inner and right outer. Confirm the direction of the door before installation to avoid reverse installation.

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What should I do if the key on the bedroom door lock from China manufacturer cannot be opened

If the door lock cannot be opened because the lock cylinder is not sensitive or the lock is stuck, you can take some oily substance and drop it in the lock to increase the lubricity of the lock, and open the lock with the help of oil lubrication.

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The method of disassembling and assembling the lock cylinder from bedroom door lock supplier china

First remove the lock cylinder fixing screw, the screw in the middle, take out the lock cylinder; insert the newly bought lock cylinder, pay attention to the direction, generally speaking, it is not wrong, if it is wrong, the lock cylinder cannot be put in. , tighten the set screw, and you are good to go.

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bedroom door lock supplier china tells the reason why the door lock can be turned but cannot be opened

It is very likely that the key is wrong. Usually, before using the door lock, you should check whether the key in your hand is correct. Sometimes, even the incorrect key can be rotated but cannot be opened.

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Installation of customized bedroom door lock

Determine the opening direction; before installing the door lock, do not ignore the opening direction. The direction of opening the door determines which side we install the lock on when we install the door lock. So, how to determine the opening direction? Simple, open the door and see where the hinge hinges are.

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