Z probe going in wrong direction??

[mrwleggett]

Newbie with Ver 2 built. Using Arduino MEGA2560 and RAMPS 1.4. Got XYZ home to work with CNC-GCode-Controller. Trying to probe Z with auto leveller, but it will move to position, verify Z home switch on top of Z stepper. Then moves to another position after moving down towards table. Then up to hit Z home switch and takes reading on auto leveler page. (Green Dot). Moves to rest of Black dots and they turn green after each hit of Z home (ZMin?) switch. I have played around with settings in configuration.h file along with reversed direction of stepper plug along with swapping switches for Z home (Top of Z Rod) and the Z probe alligator clips between PCB and cutting tool.

I would expect it to move away from home and towards the PCB where the tool touches and takes reading, however it thinks the Z home switch and up direction is correct?? SO it is probing in the wrong direction.

If i change the #define Z_HOME_DIR from -1 to just 1, it will not move Z and sits there.


HELP!!!

[Carlos García]

Hi, the Z axis does not have an endstop. It will home towards the material, the probe is the endstop

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