MANUAL OPERATION B-29
6-6
Releasing the Hard-overtravel Alarm (ZL-253)
In order to avoid interference between the carriage and the tailstock, this machine has a limit
switch which is actuated if the carriage comes too close to the tailstock, establishing the
emergency stop state and preventing further axis movement.
In such a case, the STATUS indicator
[MRDY]
goes off, the message "EMG" blinks on the screen.
Use the procedure indicated below to release the alarm state.
<To release the alarm state>
1)
Place the DOOR INTERLOCK key-switch in the
NORMAL
position.
2)
Close the front door.
3)
Open the cover under the operation panel.
4)
Press and hold down the 2nd O.T. RELEASE
button.
Hold down the 2nd O.T. RELEASE button until
steps 4) to 7) are completed. If the button is
released during these steps, the ready signal is
turned off and it becomes necessary to repeat the
operation from step 4) again.
5)
Press the NC power switch
(ON).
The STATUS indicator
[MRDY]
is lit.
DOOR INTERLOCK
NORMAL
RELEASE
2nd O.T. Release
Interface
NOTE
ON
OFF
X
Z
STATUS
ERR
M00/M01
M02/M30
CHCL
MRDY
TRCL
