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F.A.Qs
Frequently asked questions
In case of sudden power failure or power supply line failure, the elevator will stop automatically and there will be no danger. Because the elevator is equipped with electrical and mechanical safety devices, once the power fails, the brake of the elevator will automatically brake, so that the elevator can not run. In addition, if the power supply department has a planned power outage, it will notify in advance, and the elevator may stop running in advance.
When the elevator closes, if the hall door or car door touches people or things, the door will automatically reopen and no one will be hurt. Because the elevator door is equipped with an anti-pinch switch, this switch action makes the elevator can not close, and re-open, and then re-close.
The hall door of the elevator can’t be picked open, you must use special tools to open (special tools by the maintenance staff to master). Passengers are not allowed to pick the door, otherwise there will be the danger of falling down the shaft.
The elevator with the wire rope is special, international has special regulations and requirements. The configuration of the wire rope is not only for bearing the elevator car and rated load, but also take into account the size of the traction force, therefore, the tensile strength of the wire rope is greater than the load of the elevator, their safety factor are above 12, the general elevator are equipped with more than four wire rope.
When you find abnormal vibration, shaking or scraping in the elevator, you should press the red emergency stop button on the control panel and inform the elevator maintenance personnel in time
The running speed of the elevator, whether upward or downward, should be within the rated speed range, and generally will not exceed the speed, if there is over speed, there is an anti-over speed device in the elevator control system, at this time, the device will automatically act to slow down or stop the elevator.
Yes. Elevator installation, repair and maintenance, renovation units should obtain the qualification certificate issued by the Bureau of Quality and Technical Supervision before engaging in the corresponding work; elevator installation, repair and maintenance, elevator operators should obtain special personnel operation certificate, licensed to work.
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