7. TROUBLESHOOTING
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(1)Check another manual operation (JOG) is accepted.
(2)Check CNC status display.
Consult with item 7.2 and 7.3.
(1)Check CNC status display at lower left corner of the CRT.
(Refer to 1.9 CNC STATUS DISPLAY for details)
When the status display shows HND, mode selection is correct.
If it is not HND, mode select signal is not input correctly. Check the
mode select signal using the PMC’s diagnostic function(PMCDGN).
#7
G0043
#6 #5 #4 #3 #2
MD4
#1
MD2
#0
MD1
1 0 0
↓↓↓
Manuale handle mode
(2)Manual handle feed axis select signal is not input.
Check the signals using PMC’s diagnostic function (PMCDGN).
#7
HS2DG0018
#6
HS2C
#5
HS2B
#4
HS2A
#3
HS1D
#2
HS1C
#1
HS1B
#0
HS1A
G0019 HS3D HS3C HS3B HS3A
When axis select switch for manual handle feed is selected on the
machine operator’s panel, if the signals are input as follows, it is
normal.
Selected axis HSnD HSnC HSnB HSnA
no selection
1st axis
2nd axis
3rd axis
4th axis
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
NOTE
1 In the above table, n is the number of the manual pulse
generator (MPG) and up to 3 MPGs can be used.
2 A feed axis is selected by 4–bit code of A to D.
7.4
HANDLE OPERATION
(MPG) CANNOT BE
DONE
Points
Causes and
Countermeasure
1 JOG operation is not
acceptable, either
2 When only handle
operation (MPG) cannot
be done