IBM 8872 Service Guide - Page 103

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 System Running Nonredundant Power 1. Install another power supply (if possible) and make sure that the ac power cords are correctly connected. 2. Remove devices that consume an extraordinary amount of power. 3. Replace the power backplane. User attempting to power/reset server Information only Video 1.8V Power Good Fault 1. Reseat the I/O board. 2. Replace the I/O board. Video 2.5V Power Good Fault 1. Reseat the Remote Supervisor Adapter II SlimLine, if one is present. 2. Reseat the I/O board. 3. Replace the I/O board. Video Core 1.8V Power Good Fault 1. Reseat the I/O board. 2. Replace the I/O board. VRM X Power Good Fault 1. Reseat VRM 3 or 4. 2. Reseat the microprocessor tray. 3. Replace VRM 3 or 4. 4. (Trained service technician only) Replace the microprocessor tray. Vtt Power Good Fault 1. Reseat the microprocessor tray. 2. (Trained service technician only) Reseat the microprocessors. 3. Reseat the microprocessor VRMs, if any are present. 4. (Trained service technician only) Replace the microprocessor tray. Chapter 2. Diagnostics 87

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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
System
Running
Nonredundant
Power
1.
Install
another
power
supply
(if
possible)
and
make
sure
that
the
ac
power
cords
are
correctly
connected.
2.
Remove
devices
that
consume
an
extraordinary
amount
of
power.
3.
Replace
the
power
backplane.
User
<USERID>
attempting
to
power/reset
server
Information
only
Video
1.8V
Power
Good
Fault
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
Video
2.5V
Power
Good
Fault
1.
Reseat
the
Remote
Supervisor
Adapter
II
SlimLine,
if
one
is
present.
2.
Reseat
the
I/O
board.
3.
Replace
the
I/O
board.
Video
Core
1.8V
Power
Good
Fault
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
VRM
X
Power
Good
Fault
1.
Reseat
VRM
3
or
4.
2.
Reseat
the
microprocessor
tray.
3.
Replace
VRM
3
or
4.
4.
(Trained
service
technician
only)
Replace
the
microprocessor
tray.
Vtt
Power
Good
Fault
1.
Reseat
the
microprocessor
tray.
2.
(Trained
service
technician
only)
Reseat
the
microprocessors.
3.
Reseat
the
microprocessor
VRMs,
if
any
are
present.
4.
(Trained
service
technician
only)
Replace
the
microprocessor
tray.
Chapter
2.
Diagnostics
87