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Troubleshooting
178 Avaya CMS Sun Fire V880/V890 Installation, Maintenance, and Troubleshooting May 2006
Several status indicators provide general system status, alert you to system problems, and help
you to determine the location of system faults:
● At the top of the status and control panel, three general status LEDs provide a snapshot of
the system status.
● Below the power button and security key switch, a graphical display provides additional
LED icons to indicate specific fault conditions and locations.
The general status LEDs work in conjunction with the specific fault LED icons. For example, a
fault in the disk subsystem illuminates both the system fault LED at the top of the panel and the
disk fault icon in the graphical display below it. Fault LEDs within the enclosure help pinpoint the
location of the faulty device. Since all front panel status LEDs are powered by the system's
5-volt standby power source, fault LEDs remain lit for any fault condition that results in a system
shutdown.
During system startup, the front panel LEDs are individually toggled on and off to verify that
each one is working correctly. After that, the front panel LEDs operate as described in the
following table.
Name Icon LED function
Power/OK This green LED lights when the system is turned on.
System fault This amber LED lights to indicate a serious system fault. When
this LED is lit, one or more icons in the display panel may also
light to indicate the specific nature and location of the fault.
OK-to-
remove
This amber LED lights to indicate that an internal
hot-pluggable component is ready for removal.
Disk fault This amber LED lights to indicate a serious disk subsystem
fault that is likely to bring down the system. When this LED is
lit, one or more disk LEDs may also be lit at the front of the
disk cage, indicating the source of the fault. See Disk drive
status indicators on page 182.
Power fault This amber LED lights to indicate a serious power subsystem
fault that is likely to bring down the system. When this LED is
lit, one or more power supply LEDs may also be lit on the
system rear panel. See Power supply status indicators
on
page 181.