CPU
VRM
S_ERR
MEMORY
DASD/
RAID
NMI
SERVICE
PROCESSOR
BUS
FAN
POWER
SUPPLY
PCI
BUS
2
1
CONFIG
TEMP
REMIND
3.
Once
you
know
the
general
type
of
error
and
the
general
location
of
the
component
involved,
the
next
step
is
to
check
the
system
service
label
on
the
outside
of
the
server.
This
label
gives
an
overview
of
internal
components
that
correspond
to
many
of
the
LEDs
on
the
light
path
diagnostics
panel
and
can
help
to
view
lit
LEDs
inside
the
server.
Note:
Some
of
the
LEDs
on
the
light
path
diagnostics
panel
will
not
have
a
corresponding
LED
lit
on
the
system
board.
For
example:
v
LEDs
for
the
power
supplies,
fans,
and
hard
disk
drives
are
located
on
or
near
the
individual
component.
v
Some
error
conditions
are
corrected
by
taking
an
action
not
related
to
one
particular
component;
see
step
5.
4.
If
the
lit
LED
on
the
light
path
diagnostics
panel
refers
to
a
specific
internal
component
as
indicated
in
step
3,
look
on
the
system
board
for
lit
error
LEDs
(see
“System-board
LEDs”
on
page
83).
For
example,
a
microprocessor
error
will
light
the
LED
next
to
the
failing
microprocessor.
The
error
LEDs
on
the
system
board
will
only
be
lit
when
there
is
power
to
the
server.
To
view
them,
read
“Working
inside
the
server
with
the
power
on”
on
page
12;
then,
remove
the
cover
and
look
for
any
lit
error
LEDs.
If
the
lit
LED
on
the
light
path
diagnostics
panel
does
not
refer
to
a
specific
internal
component,
continue
with
step
5.
5.
Go
to
the
table
at
“Light
path
diagnostic
errors”
on
page
114
and
find
the
entry
for
the
associated
lit
LED;
then,
replace
the
indicated
component
or
take
the
indicated
action.
Notes:
v
The
system-error
log
and
the
BMC
log
might
contain
additional
information
that
will
be
helpful
before
replacing
a
component.
v
If
an
LED
on
the
light
path
diagnostics
panel
is
lit
and
the
system-error
LED
is
not
lit,
there
is
probably
an
LED
problem.
Run
LED
diagnostics.
94
xSeries
236
Type
8841:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Содержание 884155U
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