IBM JS20 User Guide - Page 92

Option, problems, Service, processor, Light, diagnostics, overview, Identifying, using, light

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Option problems Option symptom An IBM option that was just installed does not work. An IBM option that used to work does not work now. Suggested action Make sure that: v The option is designed for the blade server. See the "Server Support" flowchart on the cover for information about obtaining ServerProven compatibility information from the World Wide Web. v You followed the installation instructions that came with the option. v You have not loosened any other installed options or cables. If the problem remains, call for service. Make sure that all of the option hardware and cable connections are secure. If the option comes with its own test instructions, use those instructions to test the option. If the problem remains, call for service. Service processor problems Service processor symptom Suggested action Service processor reports a general monitor failure. 1. If the blade server is operating, shut down the operating system. 2. If the blade server was not turned off, press the power-control button (behind the blade-server control-panel door) to turn off the server. 3. Remove the blade server from the BladeCenter unit. 4. Wait 30 seconds and reinstall the blade server into the BladeCenter unit. 5. Restart the blade server. If the problem remains, call for service. Light path diagnostics overview If the system-error LED on the system LED panel on the front or rear of the BladeCenter unit is lit, one or more error LEDs on the BladeCenter unit components also might be lit. These LEDs help identify the cause of the problem. Identifying problems using the light path diagnostics This section provides the information to identify, using the light path diagnostics, problems that might arise during installation. To locate the actual component that caused the error, you must locate the lit error LED on that component. For example: A blade server error has occurred and you have noted that the blade server blade-error LED is lit on the blade-server control panel. You then: 1. Remove the blade server from the BladeCenter unit. 2. Place the blade server on a flat, static-protective surface. 3. Remove the cover from the blade server. 4. Press and hold the light path diagnostics button to relight the LEDs that were lit before you removed the blade server from the BladeCenter unit. The LEDs will remain lit for as long as you press the button, to a maximum of 25 seconds. 80 BladeCenter JS20 Type 8842: Installation and User's Guide

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Option
problems
Option
symptom
Suggested
action
An
IBM
option
that
was
just
installed
does
not
work.
Make
sure
that:
v
The
option
is
designed
for
the
blade
server.
See
the
“Server
Support”
flowchart
on
the
cover
for
information
about
obtaining
ServerProven
compatibility
information
from
the
World
Wide
Web.
v
You
followed
the
installation
instructions
that
came
with
the
option.
v
You
have
not
loosened
any
other
installed
options
or
cables.
If
the
problem
remains,
call
for
service.
An
IBM
option
that
used
to
work
does
not
work
now.
Make
sure
that
all
of
the
option
hardware
and
cable
connections
are
secure.
If
the
option
comes
with
its
own
test
instructions,
use
those
instructions
to
test
the
option.
If
the
problem
remains,
call
for
service.
Service
processor
problems
Service
processor
symptom
Suggested
action
Service
processor
reports
a
general
monitor
failure.
1.
If
the
blade
server
is
operating,
shut
down
the
operating
system.
2.
If
the
blade
server
was
not
turned
off,
press
the
power-control
button
(behind
the
blade-server
control-panel
door)
to
turn
off
the
server.
3.
Remove
the
blade
server
from
the
BladeCenter
unit.
4.
Wait
30
seconds
and
reinstall
the
blade
server
into
the
BladeCenter
unit.
5.
Restart
the
blade
server.
If
the
problem
remains,
call
for
service.
Light
path
diagnostics
overview
If
the
system-error
LED
on
the
system
LED
panel
on
the
front
or
rear
of
the
BladeCenter
unit
is
lit,
one
or
more
error
LEDs
on
the
BladeCenter
unit
components
also
might
be
lit.
These
LEDs
help
identify
the
cause
of
the
problem.
Identifying
problems
using
the
light
path
diagnostics
This
section
provides
the
information
to
identify,
using
the
light
path
diagnostics,
problems
that
might
arise
during
installation.
To
locate
the
actual
component
that
caused
the
error,
you
must
locate
the
lit
error
LED
on
that
component.
For
example:
A
blade
server
error
has
occurred
and
you
have
noted
that
the
blade
server
blade-error
LED
is
lit
on
the
blade-server
control
panel.
You
then:
1.
Remove
the
blade
server
from
the
BladeCenter
unit.
2.
Place
the
blade
server
on
a
flat,
static-protective
surface.
3.
Remove
the
cover
from
the
blade
server.
4.
Press
and
hold
the
light
path
diagnostics
button
to
relight
the
LEDs
that
were
lit
before
you
removed
the
blade
server
from
the
BladeCenter
unit.
The
LEDs
will
remain
lit
for
as
long
as
you
press
the
button,
to
a
maximum
of
25
seconds.
80
BladeCenter
JS20
Type
8842:
Installation
and
User’s
Guide