Probe question?

Ok, Did the wiring for the probe to the board. Where does the black alligator clip lead get attached to? I would guess that it is a ground, But where is the preferred grounding location??

I attached mine to one of the screws holding the controller board to the gantry. Just make sure there is metal to metal contact. Do the test, touch the alligator clip to the probe, if the light turns red you are good to go.


Nick is correct. Any grounded surface of the machine

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Success!! Thank you all


You might want to read through the “Touch probe setup question” thread on some concerns over the operation.

Keep on cutting . . .