YASKAWA yasnac lx3 - 4 Troublesiiooting

4. TROUBLESHOOTING
4.1 TROUBLE
Try to fully
DENTIFICATION
analyze the circumstances in
recognize the status of
regardless of the detai
The NCunit is provided
which the trouble occurred. This is necessary
for identifying the trouble and/or for having
the YASNACservice personnel called in to
correct the trouble.
points will minimize
system:
4.1.1 RECOGNITIONOF
(1) What operation w
Verifying the following
the down time of your
TROUBLESTATUS
11 cause the trouble?
(Is other opera t ion performed normal lY?)
(2) Whendoes the trouble occur: every time
or frequently?
(3) Was there no external disturbance such as
power interruption or lightning when trouble
occurred?
(4) Did it occur during or after operation of
mode switches such as EDIT or memory, or func-
tion such asm(parameter) or~(diagnose)
or key switch on CRTpanel?
(5) Ensure the fol lowing points if the trouble
occurred as related to feed and/or spindle
operation:
. Check of LEDon the drive unit
. ON/OFFcheck of fuse or MCCB
“ Time of trouble occurrence such as
at
at
at
at
power application.
acceleration.
deceleration.
steady-state running.
(6) Does it depend on part program?
If so, record also part program, offset and
coordinate system settings.
4.1.2 RECOGNITIONOF NCSYSTEM
Ensure the following points so as to correctly
machine and equipment
of trouble.
with an interlock
switch. When the operator opens the door, the
NCunit power supply is tripped by MCCBand
the interlock switch is released.
Do not start the check operation until the
interlock switch is released.
(1) Nameof
(2) Time of
machine manufacturer
delivery
(3) Nameand type of machine
(4) Nameand type of NCunit and others
(Example)
NCunit
: YASNAC-LX3(ENcM-LP332)
Servo drive : CACR-SR053SB
Servo motor : USAFED-05MA
Spindle drive
: VS-626MTIII
(CIMR-MTIII7.5K)
Spindle motor
: UAASKA-08CA3
(5) SYStem No. of NCsoftware
Check procedure
Keep depressing~button at
power application. Then, the
the time of
screen as shown
in Fig. 4.1 appears on the CRT.
\
Lx 3
I
1
Servo system No.
IrrImn Lain sy~tem No
uuuln-
.
!nnnn’
~PC system No.
Fig. 4.1 NCScreen at Power Application
(6) Ensure that the parameters are the same as
those specified in the list attached to the NC
unit.
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