
2. HARDWARE
B–64115EN/01
180
LED indication (STATUS) at error occurrence
The STATUS LEDs repeat LONG and SHORT patterns. The LONG and
SHORT patterns correspond to long and short lighting intervals,
respectively.
STATUS LED
indication
Ethernet/data server board state
LONG
1234
SHORT
1234
Ethernet/data server board state
1 jjjJ Jjjj
Failure caused by this
board.
System reset
2 jjjJ jJjj
Machine check
3 jjJJ Jjjj DRAM parity alarm
4 jjJJ jJjj Failure caused by anoth-
er board.
NMI of another module
NOTE
If an error, indicated by repeatedly flashing a LONG and
SHORT combination other than the above, occurs, contact
FANUC.
LED indication (ALARM) at error occurrence
No. LED indication Ethernet board status
1 Parity Alarm J A parity error has occurred in main memory.
It is likely that the hardware is defective.