IBM HS40 User Guide - Page 89

Problem, Action

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Table 7. I/O board light path diagnostics LEDs (continued) LED Problem Action Temperature error The system temperature has exceeded a threshold level. v Check to see whether a blower on the BladeCenter unit has failed. If it has, replace the fan. v Make sure the room temperature is not too high. (See "Features and specifications" on page 5 for temperature information.) BMC error (baseboard management controller error) NMI error (nonmaskable interrupt error) The service processor has failed. If the problem remains, have the blade server serviced. Replace the blade server cover, reinsert the blade server in the BladeCenter unit, and then restart the server. If the problem remains, have the blade server serviced. A system board has failed. 1. Replace the blade server cover, reinsert the blade server in the BladeCenter unit, and then restart the server. 2. Check the system error log in the BladeCenter management module for information about the error. If the problem remains, have the blade server serviced. Table 8. Processor board light path diagnostics LEDs LED Problem Light path diagnostics LED (green) If this green LED does not light when you press and hold the light path diagnostics button on the processor board, there might be no power available to light the LED. Action Replace the blade server cover and reinsert the blade server in a powered BladeCenter unit; then, after the blade server has been in the BladeCenter unit for several minutes, remove it and try to light the light path diagnostics LED. Processor x error where x is the number of the microprocessor that has an error Processor mismatch error The microprocessor has failed. If the problem remains, have the blade server serviced. Make sure that the microprocessor indicated by the lit LED is installed correctly. (See "Installing an additional microprocessor" on page 29 for installation instructions.) If the problem remains, have the microprocessor replaced. The microprocessors do not match. Make sure that all of the microprocessors (1 through 4) have the same cache size and type and the same clock speed. Internal and external clock frequencies must be identical. DIMM x error where x is the number of the DIMM that might have an error A memory error has occurred. If the problem remains, have the blade server serviced. Replace the DIMM indicated by the lit DIMM error 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 error is corrected. Check the system error log in the BladeCenter management module for information about the error. If the problem remains, have the blade server serviced. Chapter 6. Solving problems 75

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Table
7.
I/O
board
light
path
diagnostics
LEDs
(continued)
LED
Problem
Action
Temperature
error
The
system
temperature
has
exceeded
a
threshold
level.
v
Check
to
see
whether
a
blower
on
the
BladeCenter
unit
has
failed.
If
it
has,
replace
the
fan.
v
Make
sure
the
room
temperature
is
not
too
high.
(See
“Features
and
specifications”
on
page
5
for
temperature
information.)
If
the
problem
remains,
have
the
blade
server
serviced.
BMC
error
(baseboard
management
controller
error)
The
service
processor
has
failed.
Replace
the
blade
server
cover,
reinsert
the
blade
server
in
the
BladeCenter
unit,
and
then
restart
the
server.
If
the
problem
remains,
have
the
blade
server
serviced.
NMI
error
(nonmaskable
interrupt
error)
A
system
board
has
failed.
1.
Replace
the
blade
server
cover,
reinsert
the
blade
server
in
the
BladeCenter
unit,
and
then
restart
the
server.
2.
Check
the
system
error
log
in
the
BladeCenter
management
module
for
information
about
the
error.
If
the
problem
remains,
have
the
blade
server
serviced.
Table
8.
Processor
board
light
path
diagnostics
LEDs
LED
Problem
Action
Light
path
diagnostics
LED
(green)
If
this
green
LED
does
not
light
when
you
press
and
hold
the
light
path
diagnostics
button
on
the
processor
board,
there
might
be
no
power
available
to
light
the
LED.
Replace
the
blade
server
cover
and
reinsert
the
blade
server
in
a
powered
BladeCenter
unit;
then,
after
the
blade
server
has
been
in
the
BladeCenter
unit
for
several
minutes,
remove
it
and
try
to
light
the
light
path
diagnostics
LED.
If
the
problem
remains,
have
the
blade
server
serviced.
Processor
x
error
where
x
is
the
number
of
the
microprocessor
that
has
an
error
The
microprocessor
has
failed.
Make
sure
that
the
microprocessor
indicated
by
the
lit
LED
is
installed
correctly.
(See
“Installing
an
additional
microprocessor”
on
page
29
for
installation
instructions.)
If
the
problem
remains,
have
the
microprocessor
replaced.
Processor
mismatch
error
The
microprocessors
do
not
match.
Make
sure
that
all
of
the
microprocessors
(1
through
4)
have
the
same
cache
size
and
type
and
the
same
clock
speed.
Internal
and
external
clock
frequencies
must
be
identical.
If
the
problem
remains,
have
the
blade
server
serviced.
DIMM
x
error
where
x
is
the
number
of
the
DIMM
that
might
have
an
error
A
memory
error
has
occurred.
Replace
the
DIMM
indicated
by
the
lit
DIMM
error
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
error
is
corrected.
Check
the
system
error
log
in
the
BladeCenter
management
module
for
information
about
the
error.
If
the
problem
remains,
have
the
blade
server
serviced.
Chapter
6.
Solving
problems
75