Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: k80user on March 19, 2017, 08:28:30 PM
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Okay, I built my cnc router 6 years ago and it has worked perfectly...until today! So now I have to relearn everything over to troubleshoot. My A axis, slaved to the Y, seems to be dead. I can switch Y and A cables and the gantry runs from whichever side I plug into the Y axis port, so I inclined to look at the electronics. Before I tear into the whole drive wiring I did notice something that might be perfectly normal, but odd. When I go to the diagnostics page and try to reference the Y axis, the numbers don't change for the A axis. Are they supposed to?? Likewise, when I "unslave A from Y and try to reference the A axis...nothing. Seems like it should be moving like the rest do???
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It’s not clear what do you mean by “…I can switch Y and A cables and the gantry runs from whichever side I plug into the Y axis port…”
But a friend had a similar problem and he discover that a metal sliver had got into the A axis cable (he has cables carrier) and worked its way inside the cable shorting the wires. Worth checking the cables carefully
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What I meant was that I can switch the cables to the motors and both motors work when connected to the Y drive and neither work when connected to the A drive. My original question goes unanswered: from the diagnostic page (window) when I signal Y axis movement, are the numbers for the A axis supposed to change as well??
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when I signal Y axis movement, are the numbers for the A axis supposed to change as well??
No, just the Y axis.
Tweakie.
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Okay, thanks! Must be the drive electronics...