Hitachi AMS 2000 Series Service Manual page 77

High-density expansion unit status LEDs
Table 1-26
Item
1
2
Power supply status
Each power supply has two LEDs on the panel near the power receptacle.
These LEDs indicate the operational status of the power supply, as shown in
Figure 1-35.
•
Figure 1-35: High-density Expansion Unit Power Supply LEDs
describes the array status LEDs and their functions.
Table 1-26: High-density Expansion Unit Status LEDs
Name/
Status
Color
OFF
LOCATE
ON
ORANGE
ON
Slow Blink
POWER
GREEN
Fast Blink
Introduction
Hitachi AMS 2000 Family Storage System Service Guide
Description
Normal operation
A serious error has occurred in the unit. Please
contact Hitachi Data Systems Technical Support. See
the Getting help section in the Preface of this manual.
Normal operation; the section is fully operational.
The firmware download is complete.
The firmware is downloading (do not turn off the
array).
Item
Alarm LED (red). This LED
indicates that the power supply
has failed. Although the other
power supply can supply
sufficient power and cooling for
1
the array, Hitachi Data Systems
recommends that you replace
the failed power supply as soon
as possible. Contact Hitachi
Data SystemsTechnical
Support for instructions.
Ready LED (green).
OFF when the power supply is
not connected to power.
Blinks when the corresponding
power receptacle is connected
2
to a working AC outlet, and is
running the power on self test
(POST).
ON when the poser supply is
operational. even if the AMS
2100/2300 array is not turned
on.
Description
1–37