v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
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
QB
Vcc
PLL
Power
Good
Fault
1.
Reseat
the
microprocessor
tray.
2.
(Trained
service
technician
only)
Reseat
the
microprocessors.
3.
Reseat
the
microprocessor
VRMs,
if
present.
4.
(Trained
service
technician
only)
Replace
the
microprocessor
tray.
Remote
Login
Successful.
Login
ID:
Information
only
Resetting
system
due
to
an
unrecoverable
error
Check
the
following
light
path
diagnostics
LEDs
for
faults:
Note:
Make
sure
you
re-enable
the
memory
in
the
Configuration/Setup
Utility
program.
See,
1.
Microprocessors
2.
DIMMs
3.
Memory
card
4.
Microprocessor
tray
5.
I/O
board
assembly
SCSI
1.8V
Power
Good
Fault
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
Single
fan
failure
Replace
any
missing
or
failed
fans
or
power
supplies.
SMI
reported
a
Machine
Check
on
Memory
Card
Note:
Make
sure
you
re-enable
the
memory
in
the
Configuration/Setup
Utility
program.
See,
1.
Reseat
the
memory
card.
2.
Replace
the
memory
card.
SMI
reported
a
Machine
Check
on
Memory
Card,
Dimm
Note:
Make
sure
you
re-enable
the
memory
in
the
Configuration/Setup
Utility
program.
See,
1.
Reseat
the
DIMM.
2.
Reseat
the
memory
card.
3.
Replace
the
DIMM.
Software
NMI
Make
sure
that
the
system
software
is
operating
correctly
and
does
not
conflict
with
other
software;
the
system
software
has
created
a
software
NMI.
System
Approaching
Maximum
Power
Consumption
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.
Chapter
2.
Diagnostics
99
Summary of Contents for xSeries 366
Page 1: ...IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 2: ......
Page 3: ...IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 8: ...vi IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 28: ...12 IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 160: ...144 IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 170: ...154 IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 181: ...V video connector 6 VRM LED 64 W Web site 1 weight 3 World Wide Web 1 Index 165...
Page 182: ...166 IBM xSeries 366 Type 8863 Problem Determination and Service Guide...
Page 183: ......
Page 184: ...Part Number 31R1508 Printed in USA 1P P N 31R1508...