The security door at home can t be turned with a key outside. The inside can be turned with a key. I

1. Check whether the anti-theft door key is correct, and whether the anti-theft door key and lock are damaged. >>>More

The anti-theft door is generally a lock cylinder that can only hold a key at the same time, you have a key inserted inside, and the outside must not be opened, now you can only find a way to pull out the key inside or knock it out, or find a lock company to open the door.

The reason why the official key can not turn may be that the lock cylinder and the key do not match, not the same set of keys, generally heard of the decoration key can not turn, did not encounter the official key can not turn. Another possibility is that the lock is broken.

Other anti-theft doors are not good, buy Wang Li's anti-theft doors, basically close the door automatically locked, and the technology opens, the lock time is two or three hundred minutes, small * and open, the lock master is too lazy to earn this money. Big brand, don't worry about being unreliable.

When the door lock at home is in use, it may not twist after inserting the key, what is going on? PChouse will take you to find out. >>>More