IBM HS40 Hardware Maintenance Manual - Page 104

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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; 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. 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 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

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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