Step
4
Starting
at
the
top
of
the
following
table,
locate
your
symptom
and
perform
the
action
listed
in
the
Action
column.
Symptom
Action
The
power
LED
does
not
come
on,
or
comes
on
and
does
not
stay
on.
Check
the
power
cable
to
the
outlet.
Check
the
circuit
breakers
and
check
for
power
at
the
outlet.
Ensure
that
the
room
temperature
is
within
60
-
90°F.
If
you
do
not
find
a
problem,
record
error
code
M0PS0000
and
report
the
problem
to
the
service
organization.
The
diagnostics
are
loaded
and
there
was
NO
beep
heard
from
the
system
unit
during
the
IPL
sequence.
Record
error
code
M0SPK001.
The
system
stops
with
the
diagnostic
operating
instructions
displayed.
Go
to
“Step
5”
on
page
122.
The
system
stops
with
a
prompt
to
enter
a
password.
Enter
the
password.
You
are
not
allowed
to
continue
until
a
correct
password
has
been
entered.
When
you
have
entered
a
valid
password,
wait
for
one
of
the
other
conditions
to
occur.
The
system
stops
with
a
three-,
four-
or
eight-digit
error
code(s)
displayed
on
the
console.
Record
the
error
code(s)
and
report
the
problem
to
the
service
organization.
The
system
login
prompt
is
displayed.
You
may
not
have
pressed
the
correct
key
or
you
may
not
have
pressed
the
key
soon
enough
when
you
were
to
indicate
a
service
mode
boot
of
diagnostic
programs.
If
this
was
the
case,
start
over
at
the
beginning
of
this
step.
If
you
are
sure
that
you
pressed
the
correct
key
in
a
timely
manner,
go
to
“Step
6”
on
page
122.
The
system
does
not
respond
when
the
password
is
entered.
Go
to
“Step
6”
on
page
122.
The
system
stopped
and
an
indicator
is
displayed
on
the
system
console
and
an
eight-digit
error
code
is
not
displayed.
If
the
indicator
represents:
v
A
keyboard:
record
error
code
M0KBD000
and
report
the
problem
to
the
service
organization.
v
Memory:
record
error
code
M0MEM002
and
report
the
problem
to
the
service
organization.
v
SCSI:
record
error
code
M0CON000
and
report
the
problem
to
the
service
organization.
v
Network:
record
error
code
M0NET000
and
report
the
problem
to
the
service
organization.
v
Speaker/audio:
record
error
code
M0BT0000
and
report
the
problem
to
the
service
organization.
Chapter
9.
Hardware
Problem
Determination
121
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