maybe twice a week, i get this, and have to reboot.
Anyone know the cause?
ta
I’ve had that same message a couple of times, I think it’s an issue with Windows.
I’ve had to shut everything down and restart the PC and then it works.
I’m using Windows 11 home edition.
We don’t do much besides asking the operating system for access to a port, and if it’s denied it’s almost always something related to Windows on that particular machine.
If you can try again and it works, that’s OK. Otherwise, I’d reboot and run Motion right after starting the machine.
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That’s exactly what I’ve done and it has worked for me.
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This is a windows sleep issue, they did something in 11 that really messed with USB ports and their drivers being able to communicate after waking up, Something that really only affects data transfer and not power output.
I get this pretty much every time I go to carve. I just unplug and re-plug in the USB for the controller and then it’s good to go.
Any one got a fix or know which Daemon I can restart to save having to reboot?
Windows key - (searchbar) Power Settings - Put my computer to sleep [Never]
IMO this probably is caused by some design flaws with the controller. For me the lost connections happened also during a job, what did not destroy anything since all stopped incl. the spindle, if you have a separately running router that will cont to run at the same place. However the job had to be redefined if there were several layers that were already completely cut and re-started.
So I changed laptop and cables: did not help. Carbide3d people sent me a new controller: fixed.
Now when I use the “pause” button -what is a really BIG! advantage compared to inventables!- over night once in a while next day the connection is lost. But that is rare.
So I recommend to describe that issue to support.
However when I reed the other recommendations here that is what I also do, to switch off the controller, and switch it on at the beginning of a session, then boot the Motion. So it is possible that following than sequence made that issue appearing much less often. And for these rare instances I will connect the controller and the laptop to an uninterruptible power supply (UPS).
In my experience this is part of the Windows power management settings. They default to shutting down the USB ports to save energy. I always go into the power management part of the settings and set the USB to never go to sleep.
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Will that stop the rest of the machine truly going to sleep?
That specific setting, no. But you can also customize the other settings as well. I have mine set to never go to sleep when plugged in for instance.
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I gave the hole thing another thought. Since I had my machine on sick leave for some months I decided to use the time to check grounding.I found that one grounding wire was completely loose. I did not use lock washers.
I re-wired the whole grounding again, with thicker wires now, crimped terminals, with lock washers, grounding plug (with 1MΩ resistor), measured all wiring through with resistance <0.5 Ω thoroughly.
I do not really know whether that really helped, there were several issues before, but it certainly did not harm. So at least that was part of my machine to get back to work. Would consider that too.
Side effect: BitZero now also works properly if the magnetic grounding wire is not connected to the machine. Do not recommend that though, always use that BitZero grounding magnet, but certainly had some issues before my re-grounding that when I forgot that grounding magnet wire thing. Now there is a little safety that makes these mistakes less bothersome.
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