While I have RepG connected to my Marlin firmware board I am getting a string of ?error? messages in the message pane. These say typically 'Unknown: x:20.00y:0.00:z0.00:e162.03' displayed in red. Everything seems to be working OK but why am I getting these messages?
RepG on Macbook Pro using 'Prusa Mendel' machine config driving Arduino 1280 with Marlin firmware.
