Quote Originally Posted by John11668 View Post
So when I click start , the process begins and looks promising until it stops and I get I get an error message .
Says "Radius to end of arc differs from Radius to start (with block reference )
Block is G2 F800.0 X180.0 Z-0.0856 I-12.5717 J58.6681
No radius in there to trouble us , is there ????

Go into mach3 general config and change the I/J settings that should get rid of the message.