IBM 8488 Hardware Maintenance Manual - Page 119

Diagnostic, error, Error, symptoms

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Diagnostic error LEDs Lit LED FRU/action DIMM x (where x = DIMM 1-6; see "System 1. DIMM x board error LEDs" on page 88) 2. System board Microprocessor x (where x = 1-2; see "System board error LEDs" on page 88) 1. Microprocessor x 2. System board Fan x (where x = 1, 2, or 4; see "System board error LEDs" on page 88) Note: This feature is supported with 1. Fan x 2. System board optional Remote Supervisor Adapter II only. Hard disk drive x (where x = 0-5; see "SCSI 1. Hard disk drive x IDs for hot-swap hard disk drives" on page 42) 2. System board Note: LEDs are located on the front of the hot-swap hard disk drives. Error symptoms You can use the error symptom table to find solutions to problems that have definite symptoms. If you cannot find the problem in the error symptom charts, run the diagnostic programs to test the server. If you have just added new software or a new option and the server is not working, complete the following steps before using the error symptom charts: 1. Remove the software or device that you just added. 2. Run the diagnostic tests to determine whether the server is running correctly. 3. Reinstall the new software or new device. In the following table, if the entry in the FRU/action column is a suggested action, perform that action; if it is the name of a component, reseat the component and replace it if necessary. The most likely cause of the symptom is listed first. Note: See Chapter 7, "Parts listing Type 8488 and 8648," on page 129 to determine which components are replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU). CD-ROM drive Symptom FRU/action CD-ROM drive is not recognized. 1. Verify that: v The IDE channel to which the CD-ROM drive is attached (primary or secondary) is enabled in the Configuration/Setup Utility program. v All cables and jumpers are installed correctly. v The correct device driver is installed for the CD-ROM drive. 2. Run CD-ROM drive diagnostics. 3. CD-ROM drive. CD is not working properly. 1. Clean the CD. 2. Run CD-ROM diagnostics. 3. CD-ROM drive. Chapter 6. Symptom-to-FRU index 109

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Diagnostic
error
LEDs
Lit
LED
FRU/action
DIMM
x
(where
x
=
DIMM
1-6;
see
“System
board
error
LEDs”
on
page
88)
1.
DIMM
x
2.
System
board
Microprocessor
x
(where
x
=
1-2;
see
“System
board
error
LEDs”
on
page
88)
1.
Microprocessor
x
2.
System
board
Fan
x
(where
x
=
1,
2,
or
4;
see
“System
board
error
LEDs”
on
page
88)
Note:
This
feature
is
supported
with
optional
Remote
Supervisor
Adapter
II
only.
1.
Fan
x
2.
System
board
Hard
disk
drive
x
(where
x
=
0-5;
see
“SCSI
IDs
for
hot-swap
hard
disk
drives”
on
page
42)
Note:
LEDs
are
located
on
the
front
of
the
hot-swap
hard
disk
drives.
1.
Hard
disk
drive
x
2.
System
board
Error
symptoms
You
can
use
the
error
symptom
table
to
find
solutions
to
problems
that
have
definite
symptoms.
If
you
cannot
find
the
problem
in
the
error
symptom
charts,
run
the
diagnostic
programs
to
test
the
server.
If
you
have
just
added
new
software
or
a
new
option
and
the
server
is
not
working,
complete
the
following
steps
before
using
the
error
symptom
charts:
1.
Remove
the
software
or
device
that
you
just
added.
2.
Run
the
diagnostic
tests
to
determine
whether
the
server
is
running
correctly.
3.
Reinstall
the
new
software
or
new
device.
In
the
following
table,
if
the
entry
in
the
FRU/action
column
is
a
suggested
action,
perform
that
action;
if
it
is
the
name
of
a
component,
reseat
the
component
and
replace
it
if
necessary.
The
most
likely
cause
of
the
symptom
is
listed
first.
Note:
See
Chapter
7,
“Parts
listing
Type
8488
and
8648,”
on
page
129
to
determine
which
components
are
replaceable
by
the
customer
(CRU),
and
which
components
must
be
replaced
by
a
field
service
technician
(FRU).
CD-ROM
drive
Symptom
FRU/action
CD-ROM
drive
is
not
recognized.
1.
Verify
that:
v
The
IDE
channel
to
which
the
CD-ROM
drive
is
attached
(primary
or
secondary)
is
enabled
in
the
Configuration/Setup
Utility
program.
v
All
cables
and
jumpers
are
installed
correctly.
v
The
correct
device
driver
is
installed
for
the
CD-ROM
drive.
2.
Run
CD-ROM
drive
diagnostics.
3.
CD-ROM
drive.
CD
is
not
working
properly.
1.
Clean
the
CD.
2.
Run
CD-ROM
diagnostics.
3.
CD-ROM
drive.
Chapter
6.
Symptom-to-FRU
index
109