Light
path
diagnostics
LEDs
The
following
table
describes
the
LEDs
on
the
light
path
diagnostics
panels,
on
the
system
board,
and
on
the
optional
Memory
and
I/O
Expansion
Blade,
and
suggested
actions
to
correct
the
detected
problems.
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Types
1885
and
8853,”
on
page
15
to
determine
which
components
are
CRUs
and
which
components
are
FRUs.
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Lit
light
path
diagnostics
LED
Description
Action
None
An
error
has
occurred
and
cannot
be
isolated,
or
the
service
processor
has
failed.
1.
Make
sure
that
the
light
path
diagnostics
LED
is
lit
to
ensure
that
there
is
enough
power
in
the
blade
server
to
light
the
rest
of
the
LEDs.
2.
Check
the
BMC
log
for
information
about
an
error
that
is
not
represented
by
a
light
path
diagnostics
LED.
DIMM
x
error
A
memory
error
occurred.
1.
Make
sure
that
the
DIMM
indicated
by
the
lit
LED
is
supported.
2.
Reseat
the
DIMM
that
is
indicated
by
the
lit
LED.
3.
Replace
the
DIMM
that
is
indicated
by
the
lit
LED.
Note:
Multiple
DIMM
LEDs
do
not
necessarily
indicate
multiple
DIMM
failures.
If
more
than
one
DIMM
LED
is
lit,
reseat
or
replace
one
DIMM
at
a
time
until
the
error
is
corrected.
LP1
v
LP1
LED
on
system
board:
system
board
assembly
light
path
LEDs
have
power.
v
LP1
LED
on
Memory
and
I/O
Expansion
Blade:
check
light
path
LEDs
on
the
system
board.
Check
for
error
LEDs
that
are
lit
on
the
system
board
assembly.
LP2
(optional
Memory
and
I/O
Expansion
Blade
only)
Light
path
LEDs
on
the
Memory
and
I/O
Expansion
Blade
have
power.
Check
for
error
LEDs
that
are
lit
on
the
Memory
and
I/O
Expansion
Blade.
Microprocessor
x
error
The
microprocessor
has
failed,
overheated
or
the
start
microprocessor
is
missing.
1.
Check
the
advanced
management
module
(AMM)
log
for
more
information.
Perform
appropriate
action.
2.
If
the
log
shows
that
a
microprocessor
is
disabled
or
that
a
microprocessor
IERR
has
occurred
perform
the
following
actions.
3.
(Trained
service
technician
only)
Reseat
the
microprocessor
that
is
indicated
by
the
lit
LED.
4.
(Trained
service
technician
only)
Replace
the
microprocessor
that
is
indicated
by
the
lit
LED.
96
BladeCenter
HS21
Types
1885
and
8853:
Problem
Determination
and
Service
Guide
Summary of Contents for 8853L6U
Page 1: ...BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
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Page 3: ...BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
Page 8: ...vi BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
Page 16: ...xiv BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
Page 30: ...14 BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
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Page 146: ...Part Number 49Y0053 Printed in USA 1P P N 49Y0053...
