Hitachi AMS 2000 Series Service Manual page 164

Unit Symptom
In addition to this table, also see
Power LED OFF
Ready LED OFF
Base Unit
Ready LED slow
blink
Ready LED fast
blink
Warning LED ON
Alarm LED ON
Disk Drive Alarm LED
Backup Ready LED
Battery blinking slowly (1
blink per second)
Ready LED OFF or
high-speed
blinking (8 blinks
per second):
Power Ready LED OFF
Supply
Ready LED
blinking
Alarm LED ON
6–6
Table 6-2:
LED Failure Indications
Possible Cause
Troubleshooting based on LED indications on page
1. Array power switch OFF
2. Power supplies not plugged
in
3. PDB switch or breaker OFF
4. No electric supply to rack
Array failure
Not a failure. Firmware
download is complete. The
array is fully operational.
Not a failure. The firmware is
being updated (do not turn off
the array).
Nonserious Error. The base
unit can continue to operate.
A serious error has occurred in
the array.
The drive has failed
Not a failure. The battery is
not fully charged.
Abnormal status
No power to power supply
Not a failure. Means that
power is connected to the
power supply.
The power supply has failed.
Troubleshooting
Hitachi AMS 2000 Family Storage System Service Guide
Action
1. Ensure that the array power
switch is ON
2. Check that the power cable
connections to the array and the
PDB are secure.
3. Ensure that the PDB switches
are ON
4. Verify electricity supply to the
rack. Work with facility
administrator to restore power.
5. If these steps do not fix the
problem, contact Technical
Support. See Getting help
Preface of this manual.
Please contact Hitachi Data
Systems Technical Support. See the
Getting help section in the Preface
of this manual.
Use the array normally.
Wait until the light is ON steady
before attempting to replace parts
or use the array.
See the Alerts & Events window in
Navigator 2 for information about
the error.
Please contact Hitachi Data
Systems Technical Support. See the
Getting Help section in the Preface
of this manual.
Back up data and replace the drive.
Allow battery to charge fully.
Replace battery.
1. Ensure that power cables to the
equipment are connected.
2. Ensure that the power source is
operational.
Use normally
Replace the power supply.
6-12.
in the