MIWA PR.08LEF-B5, the entrance door closed by itself.

"Unlocking the entrance door that closed without permission"

There are many things that are unclear just from the declaration contents, such as whether it is an automatic locking type. Since the client went outside without ID, he was unable to verify my identity, so the police were present.

When we arrived, the door wouldn't open. When I asked him, he seemed to have the key. I wish they had told me this from the beginning, but when I turned the cylinder with that key, it locked and unlocked normally.

What on earth does this mean? Is there any interference with the door frame?

I didn't think it would happen, but when I pulled the door hard, it opened. There was a loud noise coming from inside the room, and the ventilation fan was set to "strong" and seemed to be pulling the door open with negative pressure. It wasn't even a distortion in the door frame.

It was quite a strong force, but it seems that the force of the ventilation fan in a studio apartment is quite strong.

Police officers were rushed to the scene due to an incident nearby.