Dear Collective, In the last 2 days my XXL has been stopping when a couple of minutes into the cut. ‘Connection has been lost’, so have to reinitialise, even restart CM. Any ideas why this is happening please? I am using an old laptop, which might be the problem? I have tried the different USB ports and all the updates have been done?
Please write in to support@carbide3d.com and we’ll do our best to work through this with you.
The usual suspects:
https://shapeokoenthusiasts.gitbook.io/shapeoko-cnc-a-to-z/maintenance#disconnects
Keyser Söze often turns out to be the dust collection hose not being grounded.
but first…contact support as Will said
Many thanks. I don’t have a dust collector connected but having read lots of great advice on here now wondering if a nick in the cable is earthing to the machine? Have emailed Will.
There are many things that cause disconnects. Most likely suspect is static. My original control board had a flaky USB connector. It was loose and I put an adhesive wire tie holder on and tied the usb cable down to there was no stress on it.
Another possibility is if you are running on a laptop then disconnect your power supply and run on battery. My laptop will run for hours while others cannot run that long.
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Many modern laptops are not grounded - they are only powered by two pins on the power plug. I recall one of my older macs under some circumstances always had a little bit of a tingle to it when touching the metal surface of the machine and other appliances.
This might mean the shield of the USB cable is not effectively grounded?
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Gerry, a very good point, I’ll get on and check that. Many thanks, Geoff
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