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some lift is being stopped and un-operational caused by the unlevelled car from the outside flat-form.
The Electronics and the computor programme can cause the sudden stoppage of elevator apart from the electrical failure and timig issue
Failure of two way automatic levellic device cause the unlevelled car
There are many caused for sudden stoppage of lift; wherein, one is over speed of lift, other - free fall of lift, etc
Might be possible any safty censer activiate mean time and it commnuicate to electronic control unit do suddenly stop the lift/elevator.
safety cut
when door open
when press stop switch
may be electrical cut or short cut in controle panel
