Fanuc Power Mate i-D/H Operation Maintenance Handbook

9. ERROR CODE LIST
323
Number ContentsMessage
921 SERVO ALARM
(5–8 AXIS)
Servo alarm (fifth to eighth axis). A watch-
dog alarm condition occurred, or a RAM
parity error occurred in the axis control
card.
Replace the axis control card.
926 FSSB ALARM FSSB alarm.
Replace the axis control card.
930 CPU INTERRUPT CPU error (abnormal interrupt).
The base PCB or CPU card may be faulty.
935 SRAM ECC ERROR An uncorrectable error occurred in SRAM.
(ECC)
Replace the memory module and restore
the data in SRAM memory.
950 PMC SYSTEM ALARM An error occurred in the PMC.
The PMC control circuit on the base PCB
may be faulty.
951 PMC WATCH DOG
ALARM
An error occurred in the PMC.
(Watchdog alarm)
The base PCB may be faulty.
972 NMI OCCURRED IN
OTHER MODULE
An NMI occurred on a board other than the
option board.
The option board may be faulty.
973 NON MASK
INTERRUPT
An NMI occurred as a result of an unknown
cause.
974 F–BUS ERROR A bus error occurred on the FANUC bus.
The base PCB or option board may be
faulty.
975 BUS ERROR A bus error occurred on the base PCB.
The base PCB may be faulty.
976 L–BUS ERROR A bus error occurred on the local bus.
The base PCB may be faulty.
977 NMI FROM SLAVE
SLC
A communication error occurred in the
FANUC I/O slave function.
978 FAN OVER HEAT
ALARM
There is a risk of overheating in the Power
Mate main unit.
Replace both two cooling fans.

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