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FAQ and Troubleshooting
Do you have latest git master or latest stable version? Do you have all dependencies installed? Do you use right python version (2 vs 3)?
Do you have unshielded cables too close to each other? Too long USB cable?
Click on it to get details or read latest GRBL error code table: https://github.com/gnea/grbl/wiki/Grbl-v1.1-Interface#grbl-response-messages
Try different g-code sender and let us know if it fails only in bCNC
Connect to motion controller using plain old terminal emulator, eg. Putty on windows, or screen for Linux users: screen /dev/ttyUSB3 115200
(to exit: ctrl+a k y)
Paste the commands directly to this window
You can use following command to connect to debug serial traffic. ttyUSB0 is real HW, ttyUSB23 is gonna be new fake device to which you'll connect the bCNC in order to intercept trafic:
interceptty -l /dev/ttyUSB0 /dev/ttyUSB23 | interceptty-nicedump
Rendering is slow and some lines are missing. Rendering burned my house down, ate my wife and druged my dog.
We know. Increase timeout in top right corner and wait.
We know. Wait until Python 3 version comes out.