Quote Originally Posted by john swift View Post
I would try connecting the Z axis motor to the spare driver

John
Sorted now thx. Simple job to swap wiring over to the 4th axis driver but required a small child contortionist to get access back of the machine :-)

AFAIK the stepper driver is proprietry Syil, attached is Syils PDF& if I cannot source one do you know of any options?CNC_stepper_driver.pdf