Asus DS300f, User Manual

Page: 380 / 449

361
Chapter 10: Troubleshooting
LEDs
State
Dark Green Amber Red Blinking
Controller
Status
no power OK Error
Malfunction
at start-up
Green:
Activity
Dirty Cache
No data in
cache
—
Unsaved
data
in cache
—
Amber:
Unsaved
data
in cache
Battery Not detected
or Not
installed
OK
Backup
capacity
below 72
hours
No power to
controller
cache
—
Fan
Not
detected
OK
One fan
turning too
slowly
Multiple
fans turning
too slowly
—
USB Ports
No device
detected
Device
detected
—
Failed data
transfer
Amber:
Activity
SAS OUT
Port
No
connection
Port
connected
— —
Green:
Activity
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 Manageme
nt‖ 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:
1. Identify the malfunctioning fa
n. See ―Viewing Enclosure Information‖ on
page 136 or page 217.
2. Replace the fan.
See ―Replacing a Cooling Fan‖ on page 313.
Also see ―Enclosure Problems‖ on page 390.