Finished assembly of my Shapeoko Pro XXL yesterday. Had a few problems that weren’t to hard to deal with.
- Y axis reversed. Swapping the Y1 and Y2 fixed this.
- The Z-limit switch was loose, even though the bolt was as tight as it could be. Removed the bolt and placed a washer on it. Now Z-limit is snug
- Y-limit switch was mounted to high and the carriage bumped into it without triggering it. Adjusted it down so that the carriage just clears it.
Now it seems to initialize pretty well but I get an error shortly after all the steppers stop. Error = GRBL Error: Homing Failed, pull off didn’t clear. Checking CM showed Y limit switch still triggered. Sure enough, the carriage is still over the Y-limit switch. I did research the problem but didn’t see anything obvious. I then verified that the Y-limit switch is working by holding a pair of pliers up to it and seeing the led light and CM indicate the Y switch was triggered. Removing the pliers and both the LED and CM show the Y limit switch is off. Watching the carriage as it goes through this cycle I can see that the Y axis doesn’t back off after it stops. Seems like this is the cause but, to verify it is, I then placed the pliers up to the Y-limit to tell the system that the carriage is zeroed and then remove the pliers to indicate that the carriage has backed off. Same error still comes up.
Suggestions would be appreciated!