Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 24)

Chapter 4: Troubleshooting PC NC Maintenance Manual
4-3
Cause of Alarm and Corrective Action
The following shows the listing of YASNAC PC NC alarms.
Table 4.1: Alarm Numbers and Classification
Number Contents Stop Mode Output How To Reset
0000 to
0049 Errors related to edit and operation
Occurring in the background mode
also. Block stop Input error
alarm Reset
0050 to
0099 Errors related to edit and operation
Not occurring in the background
mode. Block stop Input error
alarm Reset
Power OFF for #0050 and #0051
0100 to
0499 Program error Block stop Input error
alarm Reset
1000 to
1099 Program error
DNC, COMS total, etc. Block stop Input error
alarm Reset
2000 to
2199 Machine related error
OT, reference point return, machine
ready, in-position, etc. Stop after
deceleration,
or immediate
stop Alarm Reset operation after removing the
cause. With the alarm caused by
the machine ready signal, if it
occurs in the first power ON opera-
tion, it is automatically reset.
3000 to
3299 Servo and spindle related alarm
ESP, CPU mutual monitoring Immediate
stop, or serve,
OFF Alarm Reset after removing the cause.
With the SVOFF alarm, it is auto-
matically reset by the SVON.
8000 to
8049 Memory check error
Watchdog timer error
Offline error Immediate
stop, or serve
OFF Alarm For maintenance
CPU halt
Switching to the maintenance
screen
9000 to
9049 Error occurring in background edit-
ing (basically the same as with 0000
to 0049) Not stopped Back-
ground
error
output Reset or with reset soft-key
No number
indication
BAT
indication
BAT, AXIS Battery error
Encoder alarm Not stopped No output Changing the battery
No number
indication
Warning
message Key operation error, edit operation
error (not serious operation error) Not stopped Warning Next key operation