Productivity Inc – Haas CNC TL Series Lathe Operator Manual Page 26
Machine Restart / Zero Return Procedure
After the control is powered on, we still need to “reference” the machine. Upon start-up, the
control does not know the location of the cross slide (X axis) or the saddle (Z axis), so the
machine needs to “find” these 2 axis thru a procedure known as a “Zero Return”. This will travel
the machine to it’s farthest most limits so that the cross slide and saddle can be detected by the
limit switches.
1. Locate the orange RESET key and push it to clear any alarms that are present, and to
power on the servos of the machine.
2. Next to the RESET button is the POWER UP / RESTART button. Press it once and the
machine will travel the X axis first, then the Z axis to their utmost farthest limits, which is
all the way towards the operator on the X axis / cross-slide, and all the way to the right
for the Z axis / saddle. The machine will stop at machine home, as described in section-
4.a.iii
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