IBM 8872 Service Guide - Page 97

IBM 8872 - eServer xSeries 460 Manual

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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, Type 8872 and Type 8874," on page 93 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. System-error log message Action Application Posted Alert to ASM Information only Backplane Power Good Fault 1. Reseat the microprocessor tray. 2. Reseat the memory cards. 3. (Trained service technician only) Replace the power backplane. 4. (Trained service technician only) Replace the microprocessor tray. Board 2.5V Power Good Fault 1. Reseat the I/O board. 2. Replace the I/O board. Calgary Core 1.5V Power Good Fault 1. Reseat the I/O board. 2. Reseat the microprocessor tray. 3. (Trained service technician only) Replace the PCI-X board. CEC Card Power Good Fault 1. Reseat the microprocessor tray. 2. Reseat the I/O board. 3. (Trained service technician only) Replace the PCI-X board. CPU %d IERR detected, the system has been restarted Information only; if the message remains: 1. (Trained service technician only) Reseat the microprocessors. 2. Reseat the microprocessor VRMs, if any are present. 3. (Trained service technician only) Replace the microprocessor. CPU %d IERR, the CPU has been disabled Information only; if the message remains: 1. (Trained service technician only) Reseat the microprocessors. 2. Reseat the microprocessor VRMs, if any are present. 3. (Trained service technician only) Replace the microprocessor. CPU %d non-critical over temperature warning 1. Make sure that the fans have good airflow and are not obstructed. 2. (Trained service technician only) Reseat the microprocessor heat sink. CPU %d non-recoverable over temperature fault 1. Make sure that the fans have good airflow and are not obstructed. 2. (Trained service technician only) Reseat the microprocessor heat sink. CPU removal detected Informational only; if the message remains: 1. (Trained service technician only) Reseat the microprocessors. 2. Reseat the microprocessor VRMs, if any are present. CPU X Over Temperature 1. Check all fans and remove any obstacles from the path of the airflow. 2. Make sure that the room temperature is within the recommended range. 3. Make sure that the microprocessor heat sinks are correctly seated. Chapter 2. Diagnostics 81

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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,
Type
8872
and
Type
8874,”
on
page
93
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.
System-error
log
message
Action
Application
Posted
Alert
to
ASM
Information
only
Backplane
Power
Good
Fault
1.
Reseat
the
microprocessor
tray.
2.
Reseat
the
memory
cards.
3.
(Trained
service
technician
only)
Replace
the
power
backplane.
4.
(Trained
service
technician
only)
Replace
the
microprocessor
tray.
Board
2.5V
Power
Good
Fault
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
Calgary
Core
1.5V
Power
Good
Fault
1.
Reseat
the
I/O
board.
2.
Reseat
the
microprocessor
tray.
3.
(Trained
service
technician
only)
Replace
the
PCI-X
board.
CEC
Card
Power
Good
Fault
1.
Reseat
the
microprocessor
tray.
2.
Reseat
the
I/O
board.
3.
(Trained
service
technician
only)
Replace
the
PCI-X
board.
CPU
%d
IERR
detected,
the
system
has
been
restarted
Information
only;
if
the
message
remains:
1.
(Trained
service
technician
only)
Reseat
the
microprocessors.
2.
Reseat
the
microprocessor
VRMs,
if
any
are
present.
3.
(Trained
service
technician
only)
Replace
the
microprocessor.
CPU
%d
IERR,
the
CPU
has
been
disabled
Information
only;
if
the
message
remains:
1.
(Trained
service
technician
only)
Reseat
the
microprocessors.
2.
Reseat
the
microprocessor
VRMs,
if
any
are
present.
3.
(Trained
service
technician
only)
Replace
the
microprocessor.
CPU
%d
non-critical
over
temperature
warning
1.
Make
sure
that
the
fans
have
good
airflow
and
are
not
obstructed.
2.
(Trained
service
technician
only)
Reseat
the
microprocessor
heat
sink.
CPU
%d
non-recoverable
over
temperature
fault
1.
Make
sure
that
the
fans
have
good
airflow
and
are
not
obstructed.
2.
(Trained
service
technician
only)
Reseat
the
microprocessor
heat
sink.
CPU
removal
detected
Informational
only;
if
the
message
remains:
1.
(Trained
service
technician
only)
Reseat
the
microprocessors.
2.
Reseat
the
microprocessor
VRMs,
if
any
are
present.
CPU
X
Over
Temperature
1.
Check
all
fans
and
remove
any
obstacles
from
the
path
of
the
airflow.
2.
Make
sure
that
the
room
temperature
is
within
the
recommended
range.
3.
Make
sure
that
the
microprocessor
heat
sinks
are
correctly
seated.
Chapter
2.
Diagnostics
81