HP StorageWorks 2300 Disk System User Manual
Page 103
Troubleshooting
103
T
roub
le
shoo
ting
Note
An amber LED that is on briefly when a component first comes on
is normal. If this light remains on more than a couple of seconds, a
fault has been detected.
Power Supply/
Fan Module
Amber
Power Supply/Fan fault
Amber
Flashing
Host is identifying the power supply
module.
Green
Operating normally
OFF
Power is off.
Disk Activity
3
Green LED
ON
Disk module installed and operating
normally (Controlled by the disk drive)
Green Flashing Disk drive self-test in progress or I/O
activity to/from disk (Controlled by the
disk drive)
Amber LED
ON
Disk module fault (Controlled by host
software)
Amber LED
flashing
Host is identifying the disk module
(Controlled by host software)
OFF
Not installed or not operating
Table 11.
LED Functions (Continued)
LED
State
Indication
1 Start-up and self-tests occur briefly when the unit is
powered on.
2 A component has failed; temperature or voltage is out of
normal range. See Isolating Faults on page 104
3 When a disk is installed with power on, its activity LED
blinks on momentarily indicating a SCSI bus reset. When
the disk is ready, the LED blinks once and turns off.
Thereafter, it flashes when there is I/O to the disk.