Cooling fan leds, Drive carrier module leds, Rear panel led – Lenovo Secure Managed Client User Manual
Page 57: Server board leds, I/o panel status leds, I/o panel nic leds, Cooling, Leds, Drive, Carrier
Cooling
fan
LEDs
An
amber
LED
incorporated
in
each
cooling
fan
monitors
its
status.
Constant
On
indicates
a
fault
condition.
Drive
carrier
module
LEDs
Disk
drive
status
is
monitored
by
a
green
LED
and
an
amber
LED
mounted
on
the
front
of
each
drive
carrier
module.
The
conditions
for
each
LED
are
defined
in
Rear
panel
LED
Table
3.
Rear
panel
status
LED
Enclosure
ID
LED
Blue
(when
activated)
Activated
by
push
button
on
the
front
operator's
panel,
or
by
system
software.
Used
to
identify
a
server
from
among
several
servers.
Server
board
LEDs
Server
board
LEDs
consist
of
I/O
panel
status
LEDs
and
I/O
panel
NIC
LEDs.
I/O
panel
status
LEDs
The
server
board
I/O
panel
contains
a
number
of
diagnostic
LEDs,
whose
functions
are
summarized
in
the
following
table.
Table
4.
Server
board
status
LEDs
LED
Color
Function
System
status
LED
v
Green
v
Off
v
Alternating
green/amber
v
Amber
v
Green
blink
v
Amber
blink
v
System
OK
v
AC
power
off
v
System
not
ready
v
Critical
fault
v
System
degraded
v
Non-fatal
alarm,
system
likely
to
fail
4
x
power-on
self
test
(POST)
LEDs
Off
*Amber
System
running
normally
The
POST
LEDs
toggle
between
red,
green,
amber,
and
Off
at
boot
up.
*
Amber
constant
On
only
if
a
failure
occurs.
I/O
panel
NIC
LEDs
The
Network
Interface
Controller
(NIC)
LED
states
are
summarized
in
the
following
table.
Refer
to
your
server
board
documentation
for
full
details
of
each
state.
Table
5.
NIC
LEDs
LED
LED
state
Description
Left
Off
No
network
connection
is
in
place
Chapter
7.
Troubleshooting
and
problem
solving
51