The DongNan Elevator Co., Ltd elevator maintenance staff said: "Its walls are very dry all around, excluding the cause of water seepage on it. The only reason is that this day is relatively wet, the pit will seep a little water." And once the elevator pit water Too much water is brought to the elevator track, car, etc. through the compensation chain, it is easy to cause the failure of the elevator safety device, leakage of electricity, etc., and there are great hidden dangers. Law enforcement personnel require maintenance personnel to deal with and rectify them as soon as possible. Subsequently, the elevator maintenance staff conducted a key inspection of the machine cargo lift room. [Detail]