Power
problems
Symptom
FRU/action
The
blade
server
does
not
turn
on.
1.
Verify
that:
a.
The
power
LED
on
the
front
of
the
BladeCenter
unit
is
lit.
b.
The
LEDs
on
all
the
BladeCenter
power
modules
are
lit.
c.
On
a
BladeCenter
Type
8677
or
similar
unit,
if
the
blade
server
is
in
blade
bays
7
through
14,
power
modules
are
in
power-module
bays
1,
2,
3,
and
4.
d.
On
a
BladeCenter
T
unit,
if
the
blade
server
is
in
blade
bays
6
through
8,
power
modules
are
in
power-module
bays
1,
2,
3,
and
4.
e.
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
3.
v
If
the
power
LED
is
off,
either
the
blade
bay
is
not
receiving
power,
the
blade
server
is
defective,
or
the
LED
information
panel
is
loose
or
defective.
f.
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,
troubleshoot
the
option
(see
the
documentation
that
comes
with
the
option
for
information).
3.
Try
another
blade
server
in
the
blade
bay;
if
it
works,
replace
the
faulty
blade
server.
4.
See
“Undetermined
problems”
on
page
156.
The
blade
server
turns
off
for
no
apparent
reason
v
Verify
that
all
blade
bays
have
a
blade
server,
expansion
unit,
or
filler
blade
correctly
installed.
If
these
components
are
missing
or
incorrectly
installed,
an
over-temperature
condition
may
result
in
shutdown.
Service
processor
problems
Symptom
FRU/action
Service
processor
reports
a
general
monitor
failure.
v
Shut
down
the
operating
system
and
turn
off
the
blade
server;
then,
remove
the
blade
server
from
the
BladeCenter
unit,
wait
for
30
seconds,
reinstall
the
blade
server
in
the
BladeCenter
unit,
and
restart
the
blade
server.
If
the
problem
remains,
see
“Undetermined
problems”
on
page
156
and
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
for
your
BladeCenter
unit.
Chapter
10.
Symptom-to-FRU
index
151
Summary of Contents for BladeCenter JS20
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