IBM 8840 Hardware Maintenance Manual - Page 94

Problem, Action

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LED MEM NMI S ERR SP DASD RAID FAN TEMP BRD PCI A PCI B PCI C Problem When the LED is on, a memory error has occurred. When the LED flashes, an invalid DIMM configuration has occurred. A machine check error has occurred. Reserved The service processor has failed. Action Replace the failing DIMM, which is indicated by the lit LED on the system board. If a configuration error has occurred, make sure the DIMMs are installed correctly. Check the system-error log and BMC log for information about the error. Remove ac power from the server; then, reconnect the server to ac power and restart the server. If the problem remains, replace the system board. A hard disk drive error has occurred. Check the LEDs on the hard disk drives and replace the indicated drive. A RAID controller error has occurred. Check the system-error log and BMC log for information about the error. See the documentation that comes with the RAID controller. When the LED is lit, a fan has failed or Replace the failing fan, which is indicated by the lit LED. If a is operating too slowly. A failing fan can configuration error has occurred, make sure that the fans are also cause the TEMP LED to be lit. installed correctly. When the LED flashes, an invalid fan configuration has occurred. The system temperature has exceeded a threshold level. v Determine whether a fan has failed. If it has, replace it. v Make sure that the room temperature is not too high. See the User's Guide on the IBM xSeries Documentation CD for temperature information. v Make sure that the air vents are not blocked. An error has occurred on the system board. v Check the LEDs on the system board to identify the component that is causing the error. v Check the system-error log and BMC log for information about the error. An error has occurred on a PCI bus. v Check the system-error log and BMC log for information about the error. v If you cannot isolate the failing adapter through the information in the system error log or BMC log, remove one adapter at a time from the failing PCI bus, and restart the server after each adapter is removed. If the problem remains, replace the system board. 84 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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LED
Problem
Action
MEM
When
the
LED
is
on,
a
memory
error
has
occurred.
When
the
LED
flashes,
an
invalid
DIMM
configuration
has
occurred.
Replace
the
failing
DIMM,
which
is
indicated
by
the
lit
LED
on
the
system
board.
If
a
configuration
error
has
occurred,
make
sure
the
DIMMs
are
installed
correctly.
NMI
A
machine
check
error
has
occurred.
Check
the
system-error
log
and
BMC
log
for
information
about
the
error.
S
ERR
Reserved
SP
The
service
processor
has
failed.
Remove
ac
power
from
the
server;
then,
reconnect
the
server
to
ac
power
and
restart
the
server.
If
the
problem
remains,
replace
the
system
board.
DASD
A
hard
disk
drive
error
has
occurred.
Check
the
LEDs
on
the
hard
disk
drives
and
replace
the
indicated
drive.
RAID
A
RAID
controller
error
has
occurred.
Check
the
system-error
log
and
BMC
log
for
information
about
the
error.
See
the
documentation
that
comes
with
the
RAID
controller.
FAN
When
the
LED
is
lit,
a
fan
has
failed
or
is
operating
too
slowly.
A
failing
fan
can
also
cause
the
TEMP
LED
to
be
lit.
When
the
LED
flashes,
an
invalid
fan
configuration
has
occurred.
Replace
the
failing
fan,
which
is
indicated
by
the
lit
LED.
If
a
configuration
error
has
occurred,
make
sure
that
the
fans
are
installed
correctly.
TEMP
The
system
temperature
has
exceeded
a
threshold
level.
v
Determine
whether
a
fan
has
failed.
If
it
has,
replace
it.
v
Make
sure
that
the
room
temperature
is
not
too
high.
See
the
User’s
Guide
on
the
IBM
xSeries
Documentation
CD
for
temperature
information.
v
Make
sure
that
the
air
vents
are
not
blocked.
BRD
An
error
has
occurred
on
the
system
board.
v
Check
the
LEDs
on
the
system
board
to
identify
the
component
that
is
causing
the
error.
v
Check
the
system-error
log
and
BMC
log
for
information
about
the
error.
PCI
A
PCI
B
PCI
C
An
error
has
occurred
on
a
PCI
bus.
v
Check
the
system-error
log
and
BMC
log
for
information
about
the
error.
v
If
you
cannot
isolate
the
failing
adapter
through
the
information
in
the
system
error
log
or
BMC
log,
remove
one
adapter
at
a
time
from
the
failing
PCI
bus,
and
restart
the
server
after
each
adapter
is
removed.
If
the
problem
remains,
replace
the
system
board.
84
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide