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Anonymous users2024-01-24The security pin of the security door may not be opened, which may be caused by the safety pin being stuck or the accessories inside being rusted.
If the user encounters the situation that the security door cannot be opened, the first thing should be called to the security door manufacturer for help. Because the manufacturer's technicians are more professional, and the parts of each brand product may also be unique. Therefore, please ask the manufacturer's technicians to get the necessary repair and replacement services.
Hehe, I make security doors.
If it's the key there is no problem, or. >>>More
Where is it sticky? After the protective film is torn off? How is the problem of protective film glue sticky, you can use "adhesive remover" to remove.
There are many reasons why it can't be opened. The lock cylinder is broken, the lock body is broken, the heaven and earth are stuck, and many other reasons, it is best to find a master to repair it.
Analysis of the reasons and solutions for the sudden failure of the security door at home to open. >>>More
Look at the security door to see if there is water on the door frame and whether the hinge of the door is short of oil.