Supplemental Instructions for Homing Switches?

[Derek the Admin]

Here's a copy that may be clearner. MillRight M3 Assembly - Homing Wiring Instr....pdf (115.37 KB)

You don't need a ferrule crimper. Those PA-09 crimpers are the wrong tool for the job in my opinion. We have a set of those here but use them for dupont connectors, not for crimping other connectors. The PA-09 is more specifically for that one job. You want just general crimpers.

[nathanskidmore]

I'm really struggling troubleshooting a non-working Z homing switch. Any ideas?

So far I've tried:
1. Testing continuity at the homing switch with no cables attached = works (AKA reading goes from 1 to near zero)
2. Testing continuity at the homing switch with cables attached = works
3. Testing continuity at the end of Z switch wires = works

4. Plugging Z switch wires into the X or Y switch pins on CNC shield = works!
5. Replacing CNC shield = still not working!
6. Replaced spade connectors and retested = not working
7. Tried other software = hard to tell, but seemed not working.

[Derek the Admin]

If you have a certain version of Grbl firmware you might need to plug it in to SpEn. It’s a few rows down.

[nathanskidmore]

WOW - that was it! Thank you! I never would have figured that out otherwise.

[jennamike]

I had issues woth x axis homing on latest grbl and went back to the older version and homing worked fine