Before going out, the security door is locked, and when you come back from the street, open the door

Updated on Security door 2024-08-20
4 answers
  1. Anonymous users2024-01-24

    Possibly, if the security door is of good quality. Now the most important thing you need to do is change the lock cylinder.

  2. Anonymous users2024-01-23

    Let's change the locks...

  3. Anonymous users2024-01-22

    Possibly, there have been similar problems before.

  4. Anonymous users2024-01-21

    Have things been stolen from the house?

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I need to change it, and I will have to pay more attention to it in the future. It's a wake-up call, don't wait for the wait for it to really appear.

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It may be that the landlord opened the door with a key, and then the company that found the lock can readjust the yellow inside the key, adjust the position at will, and your key will not be opened, and then let the locking company rematch a set of keys, this technique is too common, it may be the landlord's ghost. If you have several keys like this, it is the security door with a new key (now the security door has two sets of keys, one for decoration, about 2, a set of 5 formal keys, once the official key is used, the decoration key can no longer open the door lock), not only to what key you use, so there is no way to determine.

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Such a problem is estimated to be the small torsion spring inside the door is short of oil, if you can unload it yourself, add a little oil should be able to, can not unload only to find a lock repair.

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Draw a candle or pencil lead powder on the deadtongue and it will be smooth.