IBM 8840 Hardware Maintenance Manual - Page 22

Diagnostic, tools, overview - parts list

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Complete the following steps to perform the checkout procedure to identify system problems. 001 IS THE SYSTEM PART OF A CLUSTER? YES. Schedule maintenance for the system. Shut down all systems related to the cluster. Run the storage test. NO. Go to step 002 . 002 IF THE SYSTEM IS NOT PART OF A CLUSTER: 1. Turn off the server and all external devices. 2. Check all cables and power cords. 3. Set all display controls to the middle position. 4. Turn on all external devices. 5. Turn on the server. 6. Record any POST error messages that are displayed on the screen. If an error is displayed, look up the first error in the "POST error codes" on page 77. 7. Check the information LED panel system-error LED; if it is on, see "Light path diagnostics LEDs" on page 83. 8. Check the system-error log and base-board management controller (BMC) log. If the system recorded an error, see Chapter 6, "Symptom-to-FRU index," on page 73 9. Start the diagnostic programs. 10. Check for the following responses: v One beep v Readable instructions or the main menu 003 DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES? NO. Find the failure symptom in Chapter 6, "Symptom-to-FRU index," on page 73 YES. Run the diagnostic programs. If necessary, see "Diagnostic programs and error messages" on page 14. If you receive an error, see Chapter 6, "Symptom-to-FRU index," on page 73 If the diagnostic programs were completed successfully and you still suspect a problem, see "Undetermined problems" on page 103. Diagnostic tools overview The following tools are available to help you diagnose and solve hardware-related problems: v POST beep codes The power-on self-test beep codes indicate the detection of a problem. - One beep indicates successful completion of POST, with no errors. - More than one beep indicates that POST detected a problem. Error messages also appear during startup if POST detects a hardware-configuration problem. See "POST error codes" on page 77 for a list of POST error codes. v Symptom-to-FRU index This index list problem symptoms, error codes, and steps to correct the problems. See Chapter 6, "Symptom-to-FRU index," on page 73 for more information. v Diagnostic programs and error messages 12 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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Complete
the
following
steps
to
perform
the
checkout
procedure
to
identify
system
problems.
±001²
IS
THE
SYSTEM
PART
OF
A
CLUSTER?
YES.
Schedule
maintenance
for
the
system.
Shut
down
all
systems
related
to
the
cluster.
Run
the
storage
test.
NO.
Go
to
step
±002²
.
±002²
IF
THE
SYSTEM
IS
NOT
PART
OF
A
CLUSTER:
1.
Turn
off
the
server
and
all
external
devices.
2.
Check
all
cables
and
power
cords.
3.
Set
all
display
controls
to
the
middle
position.
4.
Turn
on
all
external
devices.
5.
Turn
on
the
server.
6.
Record
any
POST
error
messages
that
are
displayed
on
the
screen.
If
an
error
is
displayed,
look
up
the
first
error
in
the
“POST
error
codes”
on
page
77.
7.
Check
the
information
LED
panel
system-error
LED;
if
it
is
on,
see
“Light
path
diagnostics
LEDs”
on
page
83.
8.
Check
the
system-error
log
and
base-board
management
controller
(BMC)
log.
If
the
system
recorded
an
error,
see
Chapter
6,
“Symptom-to-FRU
index,”
on
page
73
9.
Start
the
diagnostic
programs.
10.
Check
for
the
following
responses:
v
One
beep
v
Readable
instructions
or
the
main
menu
±003²
DID
YOU
RECEIVE
BOTH
OF
THE
CORRECT
RESPONSES?
NO.
Find
the
failure
symptom
in
Chapter
6,
“Symptom-to-FRU
index,”
on
page
73
YES.
Run
the
diagnostic
programs.
If
necessary,
see
“Diagnostic
programs
and
error
messages”
on
page
14.
If
you
receive
an
error,
see
Chapter
6,
“Symptom-to-FRU
index,”
on
page
73
If
the
diagnostic
programs
were
completed
successfully
and
you
still
suspect
a
problem,
see
“Undetermined
problems”
on
page
103.
Diagnostic
tools
overview
The
following
tools
are
available
to
help
you
diagnose
and
solve
hardware-related
problems:
v
POST
beep
codes
The
power-on
self-test
beep
codes
indicate
the
detection
of
a
problem.
–
One
beep
indicates
successful
completion
of
POST,
with
no
errors.
–
More
than
one
beep
indicates
that
POST
detected
a
problem.
Error
messages
also
appear
during
startup
if
POST
detects
a
hardware-configuration
problem.
See
“POST
error
codes”
on
page
77
for
a
list
of
POST
error
codes.
v
Symptom-to-FRU
index
This
index
list
problem
symptoms,
error
codes,
and
steps
to
correct
the
problems.
See
Chapter
6,
“Symptom-to-FRU
index,”
on
page
73
for
more
information.
v
Diagnostic
programs
and
error
messages
12
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide