10196-8000
June 1999
OPERATION
3.12 POWER ON/OFF
P OWER O N
There is only one way to turn on this CNC. This is by pressing the green îš“Onîš” button at the top left of the
control panel. The main breaker at the rear of the mill must be on before this button will turn on the mill. Any
interruption to power will turn the mill off and this button must be used to turn power back on again.
Upon power up, the machine must find its fixed reference point before any operations can occur. After power
on, pressing the POWER UP/RESTART will establish this point. The ZERO RET mode and AUTO ALL AXES
button may also be used to initialize the system after all alarms are cleared. A single axis can be selected by
first pushing the X, Y, Z, A, or B key and then the ZERO SINGL AXIS key. The position thus found is used as
machine zero. Note that the Z-axis will shift downwards about five inches as the search for zero is finished; so,
keep clear.
CAUTION !!!! After power on, the machine does not know its home position or stored stroke limits until it has
been zero returned by the POWER UP/RESTART key or the ZERO RET/AUTO ALL AXES key. It is possible to
jog the machine with the handle or jog keys at the lower feeds. If it is jogged unchecked in either direction, you
may damage the sheet metal covers or overload the ball screws. To avoid this, always properly ZERO RET the
machine immediately after power on before doing anything else.
Note: Tool changer goes to tool #1 first, then to tool designated in Setting 81. After
initializing, all machine Position displays are reset to zero.
The HOME G28 key should be used any time after the initial power up. This will return the Z-axis first and then
the X, Y, A, and B axes all at rapid rate. If the Z-axis is positioned above the machine zero, the X, Y, A, and B
axes are moved first. This key will work in any of the operating modes. The manual G28 button does not use
any intermediate return point the way the programmed G28 does. Any auxiliary axes (C, U, ...) are returned to
home after X, Y, Z, A, and B.
Note: Repairs to the motor, ball screw, or home switch will affect the zero return point
and must be done only by a factory trained technician. Serious damage to the
ball screw, way covers, linear guides, or tool changer may occur if the zero
return point is not properly set.
POWER O FF
Pressing the red POWER OFF button will remove power to the machine instantly. The machine can also be
programmed to turn off at an end of cycle (M30) or after a preset amount of time that the machine sees no
activity. These are Settings 1 and 2.
A sustained overvoltage condition or sustained overheat condition will also shut this machine off automatically.
If either of these conditions exists for 4.5 minutes, the machine will start the 30 second auto-shutdown. Alarm
176 is displayed when an overheat shutdown begins and Alarm 177 is displayed when an overvoltage shutdown
begins.
Any power interruption, including the rear cabinet main circuit breaker, will also turn this machine off. Power
must be restored and the POWER ON button pressed to restore operation.
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