Quote Originally Posted by Ross77 View Post
I've only just atarted useing Mach 3 so I'm no expert, but have you settup a new profile? if so you could try the default mill profile as a test to see if the same problems happen, if you havent then it could be Mach trying to overide your changes to the default?

I had all sorts of gremlims when I started, like forgeting to apply or save changes to the settings. Works fine now I'm used to it....

thanks i will check it out but i think it would change more than the direction of the stepper if that were the case i know its saved my settings as i added a rotory table and i know the setting were correct then when it saved cheers