YASKAWA yasnac lx3 - Page 28

4.2.10 ALARM330 (EmergencyStOP)
——
Cause of Trouble
Emergencyshp button
depressed, or, machine
end L-Sis out of place
Failureof MIMI
Drop of +24V power
CheckMethod
!fter ensurinm#1281 D1=O(during
anergency stop), check continuity of
mergency stop button or nnchine end LS
shown below. For correct connection,
refer to connection diagram prepared
by math ne manufacturer.
Solution
Reset the emergencystop
button. Release itfrcrn
machine end LS according
to instruction manual
prepared by machine manu-
facturer.
MB20
1
ESP
I
Machine End LS
“ m
L--%--J
Machine End Release
Exampleof EmergencyStop Connection
This is MB2Qfailure if alarm 330 lights
even amgli%l=l.
Check +24 VDCpower. If thevolt.age is
below +20V, it indicates pmsible
trouble.
Replace HB20.
Contact YASREP.
Replace CPS-10N(power
supply unit).
Contact YASREP.
4.2.11 ALARMS331 AND332 (.ServoFuseBlown)
Cause of Trouble
I
Check Methcxl
Servopack fuse is
m#1288 Dl=l X-axis alarm
bl.wn or~B tripped.
#1289 D1-1 Z-axis alarm
Alarm3!%)(servoPack alarm) should also
be displayed simultaneously.
IXN#1’281D2=l
Erroneous wiring
Check if CN1-43and/or CN2-43drop to
o vi
Solution
Turn off power supply to
mathine.
Check if servopack fuse is
blcm or KB tripped.
Contact YASREP.
Gm-ect wiring according
toconnection f’lanualitem
12. Servo Unit Feed Ca-mc-
tion
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