IBM 79856au Installation Guide - Page 90

Problem, Diagnostic, Service, Guide, Determination

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LED DASD RAID FAN TEMP BRD PCI Problem Action A hard disk drive has failed or has been removed. Note: The error LED on the failing hard disk drive is also lit. 1. Reinstall the removed drive. 2. Reseat the following components: a. Failing hard disk drive b. Hard disk drive backplane c. Disk drive cable d. (Trained service technician only) System board 3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time. A RAID adapter has indicated fault. 1. See the BMC log or the system-error log (see "Error logs" in the Problem Diagnostic and Service Guide). 2. Reseat the following components: a. RAID adapter b. Hard disk drives c. (Trained service technician only) System board 3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time. A fan has failed, is operating too slowly, or has been removed. The TEMP LED might also be lit. 1. Reinstall the removed fan. 2. If an individual fan LED is lit, replace the fan. A system temperature or component has exceeded specifications. Note: A fan LED might also be lit. 1. See the BMC log or the system-error log (see "Error logs" in the Problem Determination and Service Guide for the source of the fault). 2. Make sure that the airflow in the server is not blocked. 3. If a fan LED is lit, reseat the fan. 4. Replace the fan for which the LED is lit. 5. Make sure that the room temperature is not too high. See "Features and specifications" on page 4. 6. Call for service. An error has occurred on the system board. 1. Check the LEDs on the system board to identify the component that is causing the error. 2. Check the system error log for information about the error. An error has occurred on a PCI bus or v Check the LEDs on the PCI slots to identify the component on the system board. An additional that is causing the error. LED will be lit next to a failing PCI v Check the system error log for information about the error. slot. v If you cannot isolate the failing adapter through the LEDs and the information in the system error log, remove one adapter at a time from the failing PCI bus, and restart the server after each adapter is removed. v Call for service. 76 IBM System x3655 Type 7985: Installation Guide

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LED
Problem
Action
DASD
A
hard
disk
drive
has
failed
or
has
been
removed.
Note:
The
error
LED
on
the
failing
hard
disk
drive
is
also
lit.
1.
Reinstall
the
removed
drive.
2.
Reseat
the
following
components:
a.
Failing
hard
disk
drive
b.
Hard
disk
drive
backplane
c.
Disk
drive
cable
d.
(Trained
service
technician
only)
System
board
3.
Replace
the
components
listed
in
step
2
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
RAID
A
RAID
adapter
has
indicated
fault.
1.
See
the
BMC
log
or
the
system-error
log
(see
“Error
logs”
in
the
Problem
Diagnostic
and
Service
Guide
).
2.
Reseat
the
following
components:
a.
RAID
adapter
b.
Hard
disk
drives
c.
(Trained
service
technician
only)
System
board
3.
Replace
the
components
listed
in
step
2
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
FAN
A
fan
has
failed,
is
operating
too
slowly,
or
has
been
removed.
The
TEMP
LED
might
also
be
lit.
1.
Reinstall
the
removed
fan.
2.
If
an
individual
fan
LED
is
lit,
replace
the
fan.
TEMP
A
system
temperature
or
component
has
exceeded
specifications.
Note:
A
fan
LED
might
also
be
lit.
1.
See
the
BMC
log
or
the
system-error
log
(see
“Error
logs”
in
the
Problem
Determination
and
Service
Guide
for
the
source
of
the
fault).
2.
Make
sure
that
the
airflow
in
the
server
is
not
blocked.
3.
If
a
fan
LED
is
lit,
reseat
the
fan.
4.
Replace
the
fan
for
which
the
LED
is
lit.
5.
Make
sure
that
the
room
temperature
is
not
too
high.
See
“Features
and
specifications”
on
page
4.
6.
Call
for
service.
BRD
An
error
has
occurred
on
the
system
board.
1.
Check
the
LEDs
on
the
system
board
to
identify
the
component
that
is
causing
the
error.
2.
Check
the
system
error
log
for
information
about
the
error.
PCI
An
error
has
occurred
on
a
PCI
bus
or
on
the
system
board.
An
additional
LED
will
be
lit
next
to
a
failing
PCI
slot.
v
Check
the
LEDs
on
the
PCI
slots
to
identify
the
component
that
is
causing
the
error.
v
Check
the
system
error
log
for
information
about
the
error.
v
If
you
cannot
isolate
the
failing
adapter
through
the
LEDs
and
the
information
in
the
system
error
log,
remove
one
adapter
at
a
time
from
the
failing
PCI
bus,
and
restart
the
server
after
each
adapter
is
removed.
v
Call
for
service.
76
IBM
System
x3655
Type
7985:
Installation
Guide