B–63505EN/02
7.TROUBLESHOOTING
241
(1)Check whether position display is operating.
(2)Check CNC status display.
(3)Check internal status using Diagnostic funciton.
(1)Check mode selection status (JOG mode is not selected).
When status display shows JOG, it is normal.
When status display does not show JOG, mode select signal is not
selected correctly. Confirm the mode select signal using PMC’s
diagnostic function (PMCDGN).
<Mode select signal>
#7
G0043
#6 #5 #4 #3 #2
MD4
#1
MD2
#0
MD1
Manual operation (JOG) mode 1 0 1
↓↓↓
(2)Feed axis and direction select signal is not input Check the signal using
PMC’s diagnostic function (PMCDGN).
#7
G0100
#6 #5 #4 #3
+J4
#2
+J3
#1
+J2
#0
+J1
G0102 –J4 –J3 –J2 –J1
Example)
When +X button is pressed on the operator’s panel, signal+J1 turns
to 1.
This signal is effected at its rise. If axis selection signal is input before
JOG mode is selected, axis movement does not occur. Turn the signal
to off, then on.
(3)Check CNC’s diagnostic function 000 to 015. Check the items for
which 1 is displayed at right side.
No. Message Display
000 WAITING FOR FIN SIGNAL : 0
001 MOTION : 0
002 DWELL : 0
a. 003 IN–POSITION CHECK : 0
004 FEEDRATE OVERRIDE 0% : 0
b. 005 INTERLOCK / START LOCK
: 1(Example)
006 SPINDLE SPEED ARRIVAL CHECK : 0
010 PUNCHING : 0
011 READING : 0
012 WAITING FOR (UN) CLAMP : 0
c. 013 JOG FEEDRATE OVERRIDE 0% : 0
d. 014 WAITING FOR RESET, ESP, RRW OFF : 0
015 EXTERNAL PROGRAM NUMBER SEARCH : 0
Items with a to d relate with manual and automatic operation and its
detail is shown below.
7.3
JOG OPERATION
CANNOT BE DONE
Points
Causes and Remedies
1. Position display
(relative, absolute,
machine cooordinate)
does not change