The security door is easy to loosen after closing

The security door frame is not secured. Look at the screw caps on the fastening door frame. If the rose is buried, it must be fixed before the bright wire can be twisted.

Of course, there may be people coming in if the door is not closed, but it is not absolute, depending on who went to your house at that time, one is the person who is looking for you to have something, and when he sees that the door is not closed tightly, he will go directly to you; Another stranger sees it and is likely to improvise a steal. The analysis is the possibility, and the original locking of the door is to prevent the gentleman from the villain. >>>More

Looseness is a quality problem, one of the reasons you said, since it is just safe, just find the installer to solve it.

After reading your questions to several friends above, I judge that there is still a suspicion of poor contact in the fan circuit of the outdoor unit, and there may be such a problem as the reduction of the starting capacitor capacity, and there is the possibility that the fan motor rotor has a bottom.

Security door: metal structure weldment.

Whether the quality is good or not depends mainly on whether the workers who make it are attentive or not. >>>More