... close automatically is the basic function. 4.Hoistway parameter self-learningController can learn the parameter of hoistway by automatically running ... buffer,Wheel,Guide wheel,Guide shoe,Pull burst,Fan,Lock.Bell.Rrope gripper, Door vane,Door slider,Oil pan ... cable.Flat cable, Landing display, Controller,limit switch,swith for landing door,push button,key switch,etc(Standard:EN81)9)Escalator parts: Step ...