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stepper motor calibration issue?

Hi,
I am building a CNC using Mach3 to control it.
the steppers were running fine, but then i tried to calibrate one axis.
After calibration the motor no longer hauls, and instead issues a beeping sound for the duration of the run.
Does anyone know what happened?
Any fixes?

when i first calibrated my machine,... it was set for mm and i was typing in inches,... this really messed up the results in a way that sounds like your trouble.

check your units... it may be that simple.

The controller was calibrated properly so it's not running the motor as it should. Redo the calibration or reload the software.