There are frequent complaints from citizens about high elevator failure, poor elevator quality, and even the frightening phenomenon of a rapid drop of the elevator itself. Indeed, the public may have experienced or seen reports of elevator safety hazards such as people trapped in the elevator, failure to stop the elevator, etc. The elevator has a complicated technical structure, a deep hoistway, a small car, failure is not uncommon, and accidents happen from time to time … Ordinary citizens will inevitably panic and question the safety of the elevator. Elevator Manufacturer share common phenomena that are not elevator failures?
Because we don't know the function of the elevator, we will mistakenly think that the elevator is broken when we encounter some abnormal phenomena. In fact, the elevator is not broken! That's the elevator protecting itself ~
1. Full - load elevators are not stopped: after the elevator car is full, in order to avoid overloading, it will no longer respond to outgoing calls from the next station.
2. Overloaded elevators don't go: more and more people know this, and most of the backward passengers can quit voluntarily.
3. The elevator does not close the door or open and close the door repeatedly: sundries at the door or sill block the light curtain or door touch panel.
4. The elevator suddenly drops to the lowest floor and returns to normal operation again: After the elevator is powered off and connected again, the benchmark position of the level floor shall be determined again.
5. The elevator stops on the first floor and does not open the door: the fire-fighting landing function of the elevator is triggered by smoke-sensitive or heat-sensitive sensors in the building.
6. The elevator does not open the door after suddenly leveling the floor, and then automatically resumes operation after a few minutes: the elevator will automatically resume operation after the motor has overheated for too long in order to prevent the motor from burning out and cooling down.
7. The phenomenon of " sharp drop" in elevator maintenance: when maintenance personnel change the elevator to maintenance operation in the machine room, the residents on the second floor just see the moment when the status of the outgoing call display screen changes and hear the noise when the elevator stops, thus causing a misunderstanding of " sharp drop".
8. The elevator stops at a certain floor for a long time without moving or responding to external calls: it is possible that the elevator administrator has activated the driver's operation function.
There are still many cases where the elevator is not broken, but you can call the maintenance personnel before you know it. Do not take measures without authorization to avoid causing more damage to the elevator and even causing casualties.
Most elevator accidents are caused by human factors. Do you often see people picking up doors, kicking doors, hitting doors, repeatedly pressing on and off the door buttons, waiting for the elevator to open doors overtime, transporting decoration garbage, throwing debris, or hitting elevators when carrying heavy objects such as furniture and building materials, forcibly squeezing in when overloaded, and pressing all floor buttons … in fact, these are dangerous " red light running" behaviors.
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