Determine the reference position. When the axis comes home and triggers the limit switch at the top, the indicator of the limit switch goes out and the axis stops moving.
When the trigger position is reached, the indicator light is always on so that the axis cannot go home normally.
When the trigger position is not reached, the indicator light is always off and the axis cannot go home normally.
H4.0 hexagonal wrench
H2.0 hexagonal wrench
New limit switch
Before starting any disassembly and assembly, make sure the machine is powered off
Pay attention to the direction of limit switch installation