When you jog multiple axis' dose it do it more often? If you try jogging all 3 dose it do it real quick?
What it sounds like to me is that the computer is having of trouble outputting the pulses. If the computer was telling the motor to turn one direction and the direction pin flickered this could cause the stalling. It would try to change directions so fast that the motor would lose it and go into a stall.
What is the computer that mach3 is running on? -Adam
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