Hitachi AMS 2100, Hardware Manual

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4–4
Hardware components
Hitachi AMS 2100/2300 Storage System Hardware Guide
Base unit status LEDs
Front panel
The upper right edge of the front of the AMS 2100/2300 base unit has four
LEDs that indicate the status of the array. Also built into the chassis are two
status LEDs for each disk drive. In addition, the Cache Backup battery has
two status LEDS. Figure 4-3 and Table 4-3 describe the front panel status
LEDs and their functions.
Figure 4-3: Base Unit Status LEDs (front panel)
Table 4-3: Base Unit Status LEDs (front panel)
Item
Name/
Color
Status Description
Unit Overall Status LEDs

Alarm
(red)
The Alarm LED shows when an AMS 2100/2300 array has
encountered a serious error.
OFF
Normal operation
ON
A serious error has occurred in the array. Please
contact Hitachi Data Systems Technical Support.
See the Getting Help section in the Preface of t his
manual.
Slow Blink
(1 blink/sec)
A serious failure has occurred. Please contact
Hitachi Data Systems Technical Support. See the
Getting Help section in the Preface of t his manual.

Warning
(orange)
The (orange) Warning LED shows when the base unit is operating
normally, has encountered a non-serious error, or is upgrading the
firmware.
OFF
Normal operation
ON or
Slow Blink
(1 blink/sec)
Non-serious error. The base unit can continue to
operate. See the Alerts & Events window in
Navigator 2 for information about the error.
Fast Blink
(8 blinks/sec) The firmware is being updated (do not turn off the
array).

Ready
(green)
ON Normal operation. The array is fully operational.
Slow Blink Firmware download is complete. The array is fully
operational.
Fast Blink
Not a failure. The firmware is being updated (do not
turn off the array).

Power
(green)
ON The base unit is turned on and receiving power.
OFF The base unit is not turned on.