Table 11.
LED Functions
LED
System Fault
LCC Fault
Link Active
2G
Power Supply
Disk Activity
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 Causes
on page 104.
3.When a disk is installed with power on, its activity LED stays on until the disk has spun up.
When the disk is ready, the LED turns off. Thereafter, it flashes when there is I/O to the disk.
State
Amber
OFF
Flashing
Amber
OFF
Flashing
Green
OFF
ON
OFF
Amber
Green
OFF
3
ON
Flashing
OFF
Note
An amber light 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.
Indication
1
2
Self-test
/ Problem.
Normal operation.
LCC A & B DIP switch settings do not match.
1
Self-test
/ Fault.
Normal operation.
Peer LCC DIP switch settings do not match.
Port is in use.
Port is disabled (bypassed).
Disk system is configured for 2.125 Gb/s operation.
Disk system is configured for 1.0625 Gb/s operation.
1
Start-up
/ Fault.
Operating.
Power is off.
Installed and spinning up. If the LED is still on 3 minutes
after power is engaged, the disk may be faulty.
There is input/output activity to the disk.
Not installed or not operating.
Troubleshooting
97