Does 2D detection work? Is the alignment of the light curtain correct (height, depth, parallel, in a line)? What type of landing door/cage door is installed? Car doors with a rigid door cam have a negative offset when opening from the closing edge of the car door to the landing door, which means that 3D detection does not work reliably or at all.
Is the earthing cable connected?
Light curtain type set correctly G3510? 3D function activated? What does the display status show?
