
B–63325EN/03
7.TROUBLESHOOTING
407
If the information displayed on the second page of system alarm 300
contains PC50 NMI SLC, this indicates that an IO/Link–related system
alarm has occurred.
FANUC SERIES 15I F000B
SYS_ALM 300 SYSTEM ALARM(F–BUS SLOT 00)
OTHER–CPU
ERROR OCCURRED AT 1998/10/16 14:24:03
MODULE INFORMATION
F–BUS L–BUS MODULE NAME SERIES SYSTEM ALARM MESSEAGE
+–––––+–––––+–––––––––––––––––+–––––––+––––––––––––––––––––––––––––––––––––––––+
F PMC CPU 404B/Z2 PC050 NMI SLC 84:00
+–––––+–––––+–––––––––––––––––+–––––––+––––––––––––––––––––––––––––––––––––––––+
PAGE UP OR DOWN(PAGE 2/ 5)
The most likely cause is that the IO/Link cable is disconnected or that the
connected IO device is defective.
See Section 7.15, “Fault Trace Procedure (for I/O Link).”
7.12
IO/LINK–RELATED
SYSTEM ALARM
D Screen displayed upon
the occurrence of the
error (second page)
D Cause and action