Machsupport Forum
Mach Discussion => Mach4 General Discussion => Topic started by: livewirefab on November 24, 2025, 11:49:37 AM
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Hey everyone, I'm new here and I'm new-ish to the system I'm using now.
The problem started a couple weeks ago when i came in for the day (this is my job) and the Y2 sensor wasn't activating at all. Cool, no biggie, I changed the cable out and ever since then my Y axes have been having trouble homing. Usually now, they will both home but then one of them won't back off the sensor, but the other side does. Sometimes which side backs off after homing swaps. But usually the side that doesn't back off is Y2 while Y1 seems to be perfectly functional. My boss knows more about this system than me so we tried a software restore from back when it was working fine, but that didn't help. He said that rules out software error and so it must be a problem with the cables or sensors, so we ordered new ones and I just replaced them, but still the same problem. Again, sometimes the side that is correctly backing off switches from Y1 to Y2 and the other side is not backing off, but I can't get both of them to back off correctly.
the motors work fine when not homing but we ordered an extra of those so i went ahead and changed that too to rule it out. No change.
The fact that the sides switch and it's not consistent has always told me that it's software rather than hardware but my boss says its hardware because the software restore we did he said rules that out. I'm not so sure, and especially now that I have all new hardware components.
Can anyone help me figure out what settings or other component to change or check?
We have mach4, AVID control box. let me know what other info would be helpful.
Thanks!