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Note:
See
Chapter
7,
“Parts
listing,
Type
8839,”
on
page
105
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Power
problems
Symptom
FRU/action
Power
switch
does
not
work
and
reset
button,
if
supported,
does
work.
1.
Reseat
connector.
2.
Front
bezel
with
customer
card.
3.
System
board.
The
blade
server
does
not
turn
on.
1.
Make
sure
that:
a.
The
power
LED
on
the
front
of
the
BladeCenter
unit
is
on.
b.
The
LEDs
on
all
the
BladeCenter
power
modules
are
on.
c.
If
the
blade
server
or
attached
storage
expansion
unit
is
in
blade
bay
7-14,
power
modules
are
in
power
bays
1,
2,
3
and
4.
d.
The
power-on
LED
on
the
blade
server
control
panel
is
blinking
slowly.
v
If
the
power
LED
is
blinking
rapidly
and
continues
to
do
so,
the
blade
server
is
not
communicating
with
the
management
module;
reseat
the
blade
server,
then
go
to
step
3
v
If
the
power
LED
is
off,
the
blade
bay
is
not
receiving
power,
the
blade
server
is
defective,
or
the
LED
information
panel
is
loose
or
defective.
e.
Local
power
control
for
the
blade
server
is
enabled
(use
the
BladeCenter
management
module
Web
interface
to
verify),
or
the
blade
server
was
instructed
through
the
management
module
(Web
interface
or
IBM
Director)
to
turn
on.
2.
If
you
just
installed
an
option
in
the
blade
server,
remove
it,
and
restart
the
blade
server.
If
the
blade
server=
now
turns
on,
you
might
have
installed
more
options
than
the
power
to
that
blade
bay
supports.
3.
Try
another
blade
server
in
the
blade
bay;
if
it
works,
replace
the
faulty
blade
server.
4.
See
“Undetermined
problems”
on
page
101.
The
blade
server
does
not
turn
on
and
the
following
conditions
are
present:
1.
The
amber
system
error
LED
on
the
Blade
Center
unit
system
LED
panel
is
lit;
2.
The
amber
blade
error
LED
on
the
blade
server
LED
panel
is
lit;
and
3.
The
system
error
log
contains
the
message
″CPUs
mismatched″.
The
microprocessor
with
the
lowest
feature
set
must
be
used
as
the
startup
microprocessor
(microprocessor
1;
see
“Processor
board
components”
on
page
35).
Move
the
microprocessor
in
location
U66
to
location
U70,
and
move
the
microprocessor
in
location
U70
to
location
U66.
The
blade
server
turns
off
for
no
apparent
reason
1.
Make
sure
that
all
blade
bays
have
a
blade
server,
expansion
unit,
or
filler
blade
properly
installed.
If
these
components
are
missing
or
improperly
installed,
an
over-temperature
condition
may
result
in
shutdown.
2.
If
microprocessor
LED
is
illuminated,
replace
the
microprocessor.
The
blade
server
does
not
turn
off.
1.
Determine
whether
you
are
using
an
ACPI
or
non-ACPI
operating
system.
If
you
are
using
a
non-ACPI
operating
system:
a.
Press
Ctrl+Alt+Delete.
b.
Turn
off
the
system
by
holding
the
power-control
button
for
4
seconds.
c.
If
computer
fails
during
BIOS
POST
and
power-control
button
does
not
work,
remove
the
blade
server
from
the
bay
and
reseat
it.
2.
If
the
problem
remains
or
if
you
are
using
an
ACPI-aware
operating
system,
suspect
the
system
board.
94
BladeCenter
HS40
Type
8839:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide