Hardware description 2–49
Hitachi Unified Storage Hardware Service Guide
Fan Module
The CBL/CBLD Controller Box has Fan Modules for cooling. Each Fan Module
has an ALM LED that shows its operating status.
Panel assembly
The CBL/CBLD panel assembly contains four LEDs and a switch. The switch
should be left in its current position and should not be changed.
Legend LED Color Description
¶
ALM Red ON = abnormal operating status. Visit the HDS
Support Portal at portal.hds.com.
OFF = normal operation.
Legend Component Color Description
¶
PWR LED Green ON = storage system is receiving AC power.
?
Mode Switch Not used
?
Main Switch
Turns power on or off.
= power on.
= power off.
?
ALM LED
Red
ON = fatal error. Visit the HDS Support Portal
at portal.hds.com.
?
WARN LED
Orange
ON = fatal error. Visit the HDS Support Portal
at portal.hds.com.
?
RDY LED
Green
ON = storage system is operational.
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