Power
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Types
7971
and
7972,”
on
page
59
to
determine
which
components
are
CRUs
and
which
components
are
FRUs.
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
Power
switch
does
not
work,
and
the
reset
button
does
work.
1.
Reseat
the
control-panel
connector.
2.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
blade
server
each
time:
a.
Bezel
assembly
b.
(Trained
service
technician
only)
System
board
assembly
The
blade
server
does
not
turn
on.
1.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
2.
Make
sure
that
the
power-on
LED
on
the
blade
server
control
panel
is
flashing
slowly.
v
If
the
power
LED
is
flashing
rapidly
and
continues
to
do
so,
the
blade
server
is
not
communicating
with
the
management-module;
reseat
the
blade
server
and
go
to
step
6
v
If
the
power
LED
is
off,
the
blade
bay
is
not
receiving
power,
the
blade
server
is
defective,
or
the
control
panel
is
loose
or
defective.
3.
Check
the
power-management
policies
in
the
operating
system
for
the
blade
server.
4.
Reseat
the
blade
server.
5.
If
you
just
installed
a
device
in
the
blade
server,
remove
it
and
restart
the
blade
server.
If
the
blade
server
now
starts,
you
might
have
installed
more
devices
than
the
power
to
that
blade
bay
supports.
6.
If
you
tried
another
blade
server
in
the
blade
bay
when
checking
the
function
of
the
shared
BladeCenter
unit
resources
and
the
other
blade
server
worked,
complete
the
following
tasks
on
the
blade
server
that
was
removed:
a.
Reseat
the
following
components:
1)
MPE
unit
(if
one
is
installed)
2)
Control
panel
cable
b.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
blade
server
each
time:
1)
Blade
server
bezel
assembly
2)
(Trained
service
technician
only)
MPE
board
assembly
(if
one
is
installed)
3)
(Trained
service
technician
only)
System
board
assembly
7.
See
“Solving
undetermined
problems”
on
page
56.
Chapter
2.
Diagnostics
33
Содержание LS21 - BladeCenter - 7971
Страница 1: ...BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
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Страница 3: ...BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
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Страница 128: ...112 BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
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Страница 130: ...Part Number 24R9695 Printed in USA 1P P N 24R9695...
