Probably just indicating the serial communication going on. Do they only turn on after the issue?
I’m going to have to pass you off to the next guy…Sorry. Bedtime.
I still think it’s a wiring issue.
Your switch is installed backwards and on the wrong side of the plate I did the same thing . then reinitialize the whole thing from scratch .
Check the wire color order on your z axis connections compared to your x and y axis sounds like the wires are swapped on the connection. My machine did the same thing when I got it. I found that two of the wires on the z axis connector where it plugs into the board were swapped around so the motor was fighting itself. Swapped the pins in the connector and it worked perfectly.
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This was exactly what the problem was. Thank you all so much for all the help. Happy this resolved my issue. Included a couple photos so people can see the issue.
This image shows the z axis cable (top cable) wired white, red green, black. The rest of the connections are wired red, white, green, black.
Took the two pins out of the connector
Used a knife to bend the tabs back up so they would stay in place when re-inserted into the connector.
Switched the two wires and put them back in the connector.
The obligatory hello world program finally executed successfully.
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Glad it’s working!
A bit confusing, though. Swapping those two wires should just result in a reversal of the axis movement.
I wonder if the wires weren’t seated well.
EDIT: For an unrelated reason, I was just looking at my C3D board and realized the connections are in a different order: A1, B1, B2, A2
All makes sense now.
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