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Chapter 2 NAS Head 2-11
2.4.1 LEDs
You can use the diagnostic LED indications to isolate faults. See “LEDs and
Pushbuttons” on page 2-11.
2.4.2 Beep Codes
A built-in server speaker indicates failures with audible beeps. See “POST Error
Beep Codes” on page 2-27.
2.4.3 POST Screen Messages
For many failures, the BIOS sends error codes and message to the screen. See “POST
Screen Messages” on page 2-24
2.5 LEDs and Pushbuttons
Note – This section addresses LEDs and Pushbuttons on the Sun StorEdge 5310
NAS. The LEDs on the Sun StorEdge 5210 Expansion Unit are different.
This section describes the LEDs and pushbuttons on the Sun StorEdge 5310 NAS.
TABLE 2-3 Server LEDs
LED Name Function Location Color Status
ID Helps identify
the server from
the front or rear
One LED on front
panel and one at rear
corner
Blue On = ID
System
status
Visible fault
indicator
One LED on front
panel and one at rear
corner
Green or
amber
Off = POST in progress or system stop
Green steady on = no fault
Green blinking = degraded
Amber steady = critical or non-recoverable state
Amber blinking = non-critical state
Disk
activity
Indicates hard
disk activity
Front panel and main
board left side
Green Blinking = HDD activity