Z-Axis runs with other motor(s)

Good evening, we jus purchased a used Maslow that was wonderfully constructed with a steel frame and a DC Servo motor for a spindle.

We did not receive any information or setup files for the machine, so dove in and tried to setup.

Everything seemed ok, but the Z axis ran really slow. Part way through a test cut the Z plunged further than the g-code commanded. Another test cut and the Z axis was not responding to the keypad controls.

Going to test motors - everything works.

Going to Z-Axis movement on the keypad makes the X, Y and Z activate.

We are using the web version.

Sorry for being verbose, but I am stuck and not sure what to do next…ideas anyone?