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LEDs
Controller
no power
Status
No data in
Dirty Cache
cache
Battery
Not detected
or Not
installed
Fan
detected
No device
USB Ports
detected
SAS OUT
Port
connection
If the Controller Status LED is amber, restart the subsystem. See ―Restarting the
Subsystem‖ on page 130 (ASUS Storage Management) or page 280 (CLU).
If the Controller Status LED continues to display amber after startup, contact
ASUS Technical Support. See page 402.
The Dirty Cache LED flashes during input/output operation. If the LED shines
amber and the power is off, there is unsaved data in the cache. Do NOT power
down the ASUS Storage while this LED is on. See ―Browser Does Not Connect to
ASUS Storage Management‖ on page 396 for more information.
If the Battery LED is amber or red, try reconditioning the battery. See
―Reconditioning a Battery‖ on page 139 or page 220. If the condition returns,
replace the battery.
If a Fan LED is amber or red:
Identify the malfunctioning fan. See ―Viewing Enclosure Information‖ on
1.
page 136 or page 217.
Replace the fan. See ―Replacing a Cooling Fan‖ on page 313.
2.
Also see ―Enclosure Problems‖ on page 390.
Dark
Green
OK
—
OK
Not
OK
Device
detected
No
Port
connected
State
Amber
Error
Unsaved
data
in cache
Backup
capacity
below 72
hours
One fan
turning too
slowly
—
—
361
Chapter 10: Troubleshooting
Red
Blinking
Malfunction
Green:
at start-up
Activity
Amber:
Unsaved
—
in cache
No power to
controller
cache
Multiple
fans turning
too slowly
Failed data
Amber:
transfer
Activity
Green:
—
Activity
data
—
—
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