The abnormal sound of the security door, the sound like an electric drill, what is the situation

Updated on Security door 2024-06-09
2 answers
  1. Anonymous users2024-01-24

    Is the door a regular door? Is there a grade?

    Generally speaking, the inside of the security door is honeycomb cardboard, and even if the ribs inside are broken, this should not happen.

  2. Anonymous users2024-01-23

    It's the same in my house, and I don't know what to do, and it's noisy to sleep at night.

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