
7. TROUBLESHOOTING
B–63785EN/01
364
c. Check the status display for mode selection.
The display of the machine operator’s panel mode status appears
in the upper section of the screen as shown below. If it does not
appear, it implies that the corresponding mode selection signal is
not being input correctly. Check the mode selection signal, using
the PMC diagnostic function (PMCDGN). (See Section 1.6,
“Displaying the NC State” for details.)
(Example displays)
JOG : Manual operation (JOG) mode
HND : Manual handle (HND) mode
MDI : Manual data input (MDI) mode
MEM : Automatic operation (memory) mode
EDIT : EDIT (memory editing) mode
<Mode selection signals>
#7
G003
#6
EDT
#5
MEM
#4
T
#3
D
#2
J
#1
H
#0
S
±±±±±±±±
Incremental (INC) mode 0 0 0 0 0 0 0 1
Manual handle (HND) mode 0 0 0 0 0 0 1 0
Jog (JOG) mode 0 0 0 0 0 1 0 0
Manual data input (MDI) mode 0 0 0 0 1 0 0 0
DNC operation (DNC) mode 0 0 0 1 0 0 0 0
Automatic operation (memory) mode 0 0 1 0 0 0 0 0
EDIT (memory editing) mode 0 1 0 0 0 0 0 0
(2)Make a check according to CNC diagnostic function numbers 1000
and 1001.
Specifically, check those items with “1” displayed on the right.
a. In–position check (checking for positioning) is under way.
This implies that axis movement has not been completed. Check
the contents of the following diagnostic number. (It becomes “1”
under the following condition.)
Diagnosis 3000 position error > parameter (No. 1827) in–position
check effective area