IBM 86884RX Maintenance Manual - Page 159

System-error, entries

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Level 2 Light Path LED FRU/action VRM LED on (VRM failure) 1. See the system-error log. 2. Microprocessor power module 1-4. Note: To see microprocessor error LEDs, remove the processor-board assembly from the chassis, and press the LED Activation switch. 3. VRM 1-4. 4. Midplane-board VRM. 5. Processor-board VRM. 6. Processor board. 7. Midplane board. Non Redund (nonredundancy lost) 1. Connect the server to 220v ac if power redundancy is required. 2. If the PSx LED is lit on Level 2 Light Path, follow the instructions for that LED. 3. Replace failing power supply. Over Spec (power supplies' rating 1. Ensure that ac power is applied to both power supplies. exceeded) 2. Power supply. VRM and memory LEDs on (memory board level 3 LED on) 1. Replace the failing VRM with lit LED, and re-enable any failed memory. 2. Memory board. 3. Midplane board. Level 2 VRM LED on and board LED on 1. Processor-board VRM. 2. Remove all PCI adapters from the server. 3. PCI-X board VRM. 4. PCI-X board. System-error log entries The system-error log is similar to an event log and can contain messages of three major types: Information Information messages do not require action and record significant system-level events. Example: 'System Complex Powered Up' Warning Warning messages indicate possible problems but do not require immediate action. Example: 'System over recommended ambient temperature' Error Error messages indicate system errors that may require attention. Example: 'Fan 2 not detected' System-error log messages can originate from two sources. v SAL/EFI v Service processor Each entry contains date and time information, which is useful in determining the nature of the occurrence. Chapter 6. Symptom-to-FRU index 149

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Level
2
Light
Path
LED
FRU/action
VRM
LED
on
(VRM
failure)
1.
See
the
system-error
log.
2.
Microprocessor
power
module
1-4.
Note:
To
see
microprocessor
error
LEDs,
remove
the
processor-board
assembly
from
the
chassis,
and
press
the
LED
Activation
switch.
3.
VRM
1-4.
4.
Midplane-board
VRM.
5.
Processor-board
VRM.
6.
Processor
board.
7.
Midplane
board.
Non
Redund
(nonredundancy
lost)
1.
Connect
the
server
to
220v
ac
if
power
redundancy
is
required.
2.
If
the
PS
x
LED
is
lit
on
Level
2
Light
Path,
follow
the
instructions
for
that
LED.
3.
Replace
failing
power
supply.
Over
Spec
(power
supplies’
rating
exceeded)
1.
Ensure
that
ac
power
is
applied
to
both
power
supplies.
2.
Power
supply.
VRM
and
memory
LEDs
on
(memory
board
level
3
LED
on)
1.
Replace
the
failing
VRM
with
lit
LED,
and
re-enable
any
failed
memory.
2.
Memory
board.
3.
Midplane
board.
Level
2
VRM
LED
on
and
board
LED
on
1.
Processor-board
VRM.
2.
Remove
all
PCI
adapters
from
the
server.
3.
PCI-X
board
VRM.
4.
PCI-X
board.
System-error
log
entries
The
system-error
log
is
similar
to
an
event
log
and
can
contain
messages
of
three
major
types:
Information
Information
messages
do
not
require
action
and
record
significant
system-level
events.
Example:
’System
Complex
Powered
Up’
Warning
Warning
messages
indicate
possible
problems
but
do
not
require
immediate
action.
Example:
’System
over
recommended
ambient
temperature’
Error
Error
messages
indicate
system
errors
that
may
require
attention.
Example:
’Fan
2
not
detected’
System-error
log
messages
can
originate
from
two
sources.
v
SAL/EFI
v
Service
processor
Each
entry
contains
date
and
time
information,
which
is
useful
in
determining
the
nature
of
the
occurrence.
Chapter
6.
Symptom-to-FRU
index
149