Lenovo RD210 User Manual
Page 36
Table
2.
EasyLED
diagnostics
(continued)
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Hardware
Maintenance
Manual
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
LED
Description
Action
OVER
SPEC
(Continued)
The
power
supplies
are
using
more
power
than
their
maximum
rating.
If
the
12V
channel
C
error
LED
is
lit,
complete
the
following
steps:
1.
Turn
the
server
off
and
disconnect
the
power
from
the
server.
2.
Remove
the
SAS/SATA
RAID
riser
card,
DIMMs
in
connectors
1
through
8,
and
the
microprocessor
in
socket
1.
Note:
The
server
will
not
power-on
when
the
microprocessor
in
socket
1
is
not
installed
in
the
server.
You
will
need
to
toggle
the
switch
block
(SW3)
to
pin
6
to
power-on
the
server.
3.
Restart
the
server
to
see
if
the
problem
remains.
4.
Reinstall
each
device
that
was
removed
in
step
b
one
at
a
time,
starting
the
server
each
time,
to
isolate
the
failing
device.
5.
Replace
any
failing
device.
6.
(Trained
service
technician
only)
Replace
the
system
board,
if
the
problem
remains.
If
the
12V
channel
D
error
LED
is
lit,
complete
the
following
steps:
1.
Turn
the
server
off
and
disconnect
the
power
from
the
server.
2.
Remove
the
microprocessor
in
socket
1.
Note:
The
server
will
not
power-on
when
the
microprocessor
in
socket
1
is
not
installed
in
the
server.
You
will
need
to
toggle
the
switch
block
(SW3)
to
pin
6
to
power-on
the
server.
3.
Restart
the
server
to
see
if
the
problem
remains.
4.
Reinstall
the
microprocessor
in
socket
1
and
restart
the
server.
5.
Replace
any
failing
device.
6.
(Trained
service
technician
only)
Replace
the
system
board,
if
the
problem
remains.
(Continued
on
the
next
page.)
20
ThinkServer
RD210
Types
3795,
3796,
3818,
and
3819:
Installation
and
User
Guide