IBM 887022X Maintenance Manual - Page 202

FRU/action

Page 202 highlights

Note: See Chapter 8, "Parts listing, Type 8870," on page 249 to determine which components are replaceable by the customer, and which components should be replaced by an IBM field service technician. Level 2 light path LED FRU/action NMI (nonmaskable interrupt) Note: A PCI or MEM LED may also be on. 1. See System Error log. 2. If a PCI LED is on, follow the instructions for that LED. 3. If MEM LED is on, follow the instructions for that LED. 4. Restart the server. BOARD (board failure) See top cover LEDs to determine location of failing board. EVENT LOG (non optimal condition) 1. See System Error log. 2. See Service Processor log. POWER SUPPLY 1 1. Power supply 1 2. Top power board POWER SUPPLY 2 1. Power supply 2 2. Top power board VRM (VRM failure) Check event log or follow level 3 light path chart (see "Level 3 light path" on page 193) to determine location of failing level 4 light path LED (VRM). NON REDUND (nonredundancy lost) 1. If PS x LED is lit on light path diagnostics panel, follow instructions for that LED. 2. Failing power supply. OVER SPEC (power supplies' rating exceeded) 1. Power supply 2. Top power board 192 xSeries 445 Type 8870: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See
Chapter
8,
“Parts
listing,
Type
8870,”
on
page
249
to
determine
which
components
are
replaceable
by
the
customer,
and
which
components
should
be
replaced
by
an
IBM
field
service
technician.
Level
2
light
path
LED
FRU/action
NMI
(nonmaskable
interrupt)
Note:
A
PCI
or
MEM
LED
may
also
be
on.
1.
See
System
Error
log.
2.
If
a
PCI
LED
is
on,
follow
the
instructions
for
that
LED.
3.
If
MEM
LED
is
on,
follow
the
instructions
for
that
LED.
4.
Restart
the
server.
BOARD
(board
failure)
See
top
cover
LEDs
to
determine
location
of
failing
board.
EVENT
LOG
(non
optimal
condition)
1.
See
System
Error
log.
2.
See
Service
Processor
log.
POWER
SUPPLY
1
1.
Power
supply
1
2.
Top
power
board
POWER
SUPPLY
2
1.
Power
supply
2
2.
Top
power
board
VRM
(VRM
failure)
Check
event
log
or
follow
level
3
light
path
chart
(see
“Level
3
light
path”
on
page
193)
to
determine
location
of
failing
level
4
light
path
LED
(VRM).
NON
REDUND
(nonredundancy
lost)
1.
If
PS
x
LED
is
lit
on
light
path
diagnostics
panel,
follow
instructions
for
that
LED.
2.
Failing
power
supply.
OVER
SPEC
(power
supplies’
rating
exceeded)
1.
Power
supply
2.
Top
power
board
192
xSeries
445
Type
8870:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide