What happens if the security door can t be opened with a key?

Updated on Security door 2024-08-19
2 answers
  1. Anonymous users2024-01-24

    Check first to see if the key is reversed. If it's a real fault, you can pour the pencil scraps or cooking oil into it.

  2. Anonymous users2024-01-23

    The lock cylinder has been changed, or the inside is locked.

Related questions
The security door key does not open the door
4 answers2024-08-19

Not necessarily the door is broken! Generally, there is a small pimple on the inside of the security door, and if you twist it, the key on the outside will not be opened. It's the last level that locks it. >>>More

What should I do if I can't open the door if I have a key to the security door
3 answers2024-08-19

Not necessarily the door is broken! Generally, there is a small pimple on the inside of the security door, and if you twist it, the key on the outside will not be opened. It's the last level that locks it. >>>More

The newly equipped anti-theft door key suddenly can't open the door. I used it for a week or so befo
1 answers2024-08-19

Some of the keys are not very accurate, I had one before, and after opening the door, the original key could not be opened.

What should I do if the Wang Li anti-theft door key can't open the door
1 answers2024-08-19

Wang Li couldn't open the lock because there was no original key, only a broken door, and he opened the lock after entering the door by hand.

The anti-theft door can't be opened with a key, urgent
4 answers2024-08-19

It is possible that water vapor enters the keyhole, sticks to more water vapor, freezes, and causes the keycore to deform, it is best to soak the key with hot water, and then open it, and remember to go home and get a hair dryer to blow the keyhole after opening.