Hello All
Machine- American Way 100,1994-95. Sevro Dynamics motors & drives.
X axis started making coging or growling sounds under MDI control. Could not hear that under auto control.
After about 10 hrs. of operation, machine stopped with an X axis servo error on the screen.
Turned the machine off. Waited about 10 min. On restart, powered up the servos, attempted to home, got the same error. Repeated start up but tried to move first the Z axis, same error.
Switched motor cables, error followed the cable.
Switched out the motor. Cables back to original, Restart. On powering up the servos, the X axis motor takes off in rapid, moves a short distance and errors out.
Change the X drive, same rapid movement, same error.
Anybody have suggestion?

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