The lock core of the door lock is broken and the door can't be opened. How to remove the lock core? Help! ! !

1. First remove the lock core fixing screw located in the middle.

2. Take out the lock cylinder

3. Tighten the fixing screws

4. Try it, it's good, and it can be turned on and off normally.

Extended data:

Solution to the problem that the lock core is broken and the door cannot be opened.

First, because the safety bolt button in the door is loose, the safety bolt shakes when closing the door. The lock core can be turned with the original key, but the door can't be opened. Some people, because someone was at home and had something at the door, put on the safety bolt first and forgot for a while; When closing the door, the oblique tongue of the lock forcibly closes the door without shrinking.

Second, yes, there are children who are not sensible at home, and elderly people with Alzheimer's disease. They accidentally put on the safety bolt at home and can't open the safety bolt, causing outsiders to use the key to unlock the lock. Because the door is locked with a safety bolt, it still can't be opened.

Third, the door lock of the safety split is locked with a safety bolt and cannot be opened with a key. Solution: There are two kinds of buttons for the safety bolt on the lock box inside the security door: one is a twist button, and the other is a push button. The latter method can only deal with button insurance.