I believe that many people in the life of the use of security doors will encounter anti-theft locks astringent, tight or even open and other issues, very troublesome. What if you have such a problem? Xiao Bian today to introduce to you under the anti-theft door lock broken how to repair , and how to maintain the security door lock? Come with me!
First, the security door lock is broken how to repair
1, the hinge sounds
When opening and closing the security door, the hinge will make a noise. If someone is at home at this time, it will inevitably be disturbed. At this time, it is recommended to adjust the hinge screw so that the hinge pin is on the same axis or the two screws in the hinge of the door frame are properly relaxed. Then you can put some lubricants, which will facilitate later use.
2. The door lock is astringent, tight/open, and closed
If it is caused by the loose leaf loosen the door leaf, it is recommended to fasten the loose leaf screws. If it is due to the gravity of the door leaf or the door leaf, the door is lowered and the door opening is not smooth. It is recommended that you do not force the key to open at this time so as not to break the key. 
3, anti-theft door lock cylinder can not open
Some external lock cylinders are affected by external forces, causing the pins inside the lock cylinder to be misaligned, so that the lock cannot be opened. At this time, the foreign matter in the lock cylinder must be cleared in time, and the pencil powder should be added. Then the key can be used to open it. However, if someone intentionally destroys it, it is advisable to replace it with a new one.
Second, how to maintain the security door locks:
1. It is recommended that when the door is opened, the handle should be rotated first, so that the bolt of the door can be retracted. After the door frame is combined, the hand is released. Do not blindly hit the door, so as to increase the service life of the door. 
2. The fingerprint door lock is used for a long time. The surface of the fingerprint acquisition window may be stained with dirt. It is recommended to gently wipe it with a dry soft cloth. In order to avoid scratching the window surface.
3, the handle is the key part of the lock, many friends will readily buy things on the door handle, it is recommended that we must get rid of this problem, a long time, more times, the handle in the use of sensitivity is not high.
4, when the smart door lock battery is insufficient to be timely change, although you can use the password, but the fingerprint is still more secure and more convenient than the password.
Summary of the article: The above is for everyone to introduce how to repair the anti-theft door lock repair and anti-theft door lock related content, I hope to bring some help and reference. For more information on how to repair the anti-theft door lock and related content, please pay attention to this site, or you can visit this site under the line of experience directly consulting!
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