Power on the machine with your Haas Control Key.

Press [ZERO RETURN].

Press [ALL].

Select Parameters [1]. 

Select Factory [2].

Make sure Parameters 11.019 (TT_AXIS INVIS AXIS) [3] and 9.019 (V_AXIS INVIS AXIS) [4] are set to FALSE. 

Make the T and V Axes visible on the Positions display. Refer to Next Generation Control Position View - Axis Selection. 

Press [DIAGNOSTIC]. 

Select Parameters.

Select Factory.

Type [T] and press [F4] to set the grid offset for the T Axis.

Type [V] and press [F4] to set the grid offset for the V Axis. 

Press [RECOVER]. 

Select Tool Changer Recovery [1] and press [ENTER]. 

Press [Y] to continue.

Press [M] for Manual Recovery.

Press [ATC FWD] [1] or [ATC REV] [2] until the Home Position [3] is shown. 

Record the number of times you press the button to reach the home position. Divide this number by 2. Enter this new value in Parameter 11.078 (TT_AXIS TOOL CHANGE OFFSET). 

Place a tool [1] with a flat surface into the tool pocket. 

Hold a bubble level [2] under the tool. 

Jog the V Axis until the tool is level. 

Press [POSITION]. 

Record the position of the V Axis. 

Press [DIAGNOSTIC]. 

Select Parameters.

Select Factory.

Find Parameter 9.078 (V_AXIS TOOL CHANGE OFFSET) [1]. Enter the recorded value of the V Axis for this parameter. 

Press [ZERO RETURN].

Press [ALL]. 

Make sure Parameter 11.019 (TT_AXIS INVIS AXIS) and 9.019 (V_AXIS INVIS AXIS) are set to TRUE.