IBM 8479 Hardware Maintenance Manual - Page 10

Undetermined

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1. IS THE SYSTEM PART OF A CLUSTER? YES. Schedule maintenance with the customer. Shut down all systems related to the cluster. Run storage test. NO. Go to step 2. 2. IF THE SYSTEM IS NOT PART OF A CLUSTER: v Power-off the computer and all external devices. v Check all cables and power cords. v Set all display controls to the middle position. v Power-on all external devices. v Power-on the computer. v Record any POST error messages displayed on the screen. If an error is displayed, look up the first error in the "POST error messages" on page 95. v Check the System Error Log. If an error was recorded by the system, see "Symptom-to-FRU index" on page 89. v Start the Diagnostic Programs. See "Diagnostic programs and error messages" on page 10. v Check for the following responses: a. One beep. b. Readable instructions or the Main Menu. 3. DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES? NO. Find the failure symptom in "Symptom-to-FRU index" on page 89. YES. Run the Diagnostic Programs. If necessary, refer to "Diagnostic programs and error messages" on page 10. If you receive an error, go to "Symptom-to-FRU index" on page 89. If the diagnostics completed successfully and you still suspect a problem, see "Undetermined problems" on page 97. 2 xSeries 200 Type 8479 and xSeries 200VL Type 8481: Hardware Maintenance Manual

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1.
IS
THE
SYSTEM
PART
OF
A
CLUSTER?
YES.
Schedule
maintenance
with
the
customer.
Shut
down
all
systems
related
to
the
cluster.
Run
storage
test.
NO.
Go
to
step
2.
2.
IF
THE
SYSTEM
IS
NOT
PART
OF
A
CLUSTER:
v
Power-off
the
computer
and
all
external
devices.
v
Check
all
cables
and
power
cords.
v
Set
all
display
controls
to
the
middle
position.
v
Power-on
all
external
devices.
v
Power-on
the
computer.
v
Record
any
POST
error
messages
displayed
on
the
screen.
If
an
error
is
displayed,
look
up
the
first
error
in
the
“POST
error
messages”
on
page
95.
v
Check
the
System
Error
Log.
If
an
error
was
recorded
by
the
system,
see
“Symptom-to-FRU
index”
on
page
89.
v
Start
the
Diagnostic
Programs.
See
“Diagnostic
programs
and
error
messages”
on
page
10.
v
Check
for
the
following
responses:
a.
One
beep.
b.
Readable
instructions
or
the
Main
Menu.
3.
DID
YOU
RECEIVE
BOTH
OF
THE
CORRECT
RESPONSES?
NO.
Find
the
failure
symptom
in
“Symptom-to-FRU
index”
on
page
89.
YES.
Run
the
Diagnostic
Programs.
If
necessary,
refer
to
“Diagnostic
programs
and
error
messages”
on
page
10.
If
you
receive
an
error,
go
to
“Symptom-to-FRU
index”
on
page
89.
If
the
diagnostics
completed
successfully
and
you
still
suspect
a
problem,
see
“Undetermined
problems”
on
page
97.
2
xSeries
200
Type
8479
and
xSeries
200VL
Type
8481:
Hardware
Maintenance
Manual