B–63505EN/02
7.TROUBLESHOOTING
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(1)Execute the following procedure when no manual nor automatic
operation is done
(2)Check whether position display shows correct position
(3)Check CNC status display
(4)Check CNC internal status using diagnostic function
(1)Check CNC status display (Refer to Section 1.9 CNC STATUS
DISPLAY for detail.)
(a) Emergency stop status (Emergency stop signal is turned on)
If status display shows
EMG
the emergency stop signal is input.
Check the following signal using the PMC’s diagnostic function
(PMCDGN).
#7
X1008
#6 #5 #4
*ESP
#3 #2 #1 #0
G0008 *ESP
ESP=0 indicates that emergency stop signal is input.
(b)It is a reset status
When RESET is displayed, any of a reset is functioned. Check the
following signal using the PMC’s diagnostic funciton
(PMCDGN).
1) An input signal from the PMC functions
#7
ERSG0008
#6
RRW
#5 #4 #3 #2 #1 #0
When RRW is 1, reset & rewing signal is input.
When ERS is 1, external reset signal is input.
2) RESET key on the MDI keyboard functions
When the signals in 1) are 0,
RESET
key may be functioning.
Check the contact of
RESET
key using a tester.
When it is abnormal, change the keyboard.
(c) Confirm the status of modes
Operation mode status is displayed on the lower part of CRT as
follows :
If nothing is displayed, mode select signal is not input. Check mode
select signal using PMC’s diagnostic function (PMCDGN).
For details, refer to section 1.9 STATUS DISPLAY.
7.2
NO MANUAL OPERA-
TION NOR AUTOMAT-
IC OPERATION CAN
BE EXECUTED
Points
Causes and
Countermeasures
1. Position display
(relative, absolute,
machine coordinate)
does not change