Troubleshooting

Here's an attempt to collect and writup some common problems with answers. I'm sure it's not complete. Let us know if you want something added or have other comments

Troubleshooting

Erratic Gcode, operation, arc specification errors, etc.

Are you using Coolterm to send files? Are you using Xon/Xoff mode? It is enabled in both Coolterm and on TinyG ($ex)?