IBM QS21 Service Guide - Page 72

Problems, indicated, system, board

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Table 3. Explanation of LEDs and their states (continued) LED State Explanation Suggested action Power-on LED Flashing rapidly The service processor on the blade server is communicating with the BladeCenter Management Module. No action required Flashing slowly The blade server has power but Turn on if required is not turned on. Lit continuously (steady) The blade server has power and is turned on. No action required Not lit. Blade server not powered. 1. Reseat blade server. 2. Check if BladeCenter power supplies numbers 3 and 4 are installed and powered. If they are not, install and power them or use slots 1-5. 3. Go to "Power problems" on page 57 Problems indicated by the system board LEDS The blade server must be removed from the BladeCenter unit and the cover removed before you can use the light path LEDs for diagnostics. To activate the light box and the other light path LEDs, press the light path diagnostics switch. The location of each LED on the system board is shown in the table below. Error LED (JDIM11) Error LED (JDIM10) JDIM11 slot JDIM10 slot 1 Temperature fault LED System board LED CPU fail LED NMI error LED LP TEMP S BRD CPU NMI Light box JDIM01 slot JDIM00 slot Error LED (JDIM01) Error LED (JDIM00) Light path diagnostics LED Light path diagnostics switch Figure 26. Light box and system board LEDs 54 BladeCenter QS21 Type 0792: Problem Determination and Service Guide

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Table
3.
Explanation
of
LEDs
and
their
states
(continued)
LED
State
Explanation
Suggested
action
Power-on
LED
Flashing
rapidly
The
service
processor
on
the
blade
server
is
communicating
with
the
BladeCenter
Management
Module.
No
action
required
Flashing
slowly
The
blade
server
has
power
but
is
not
turned
on.
Turn
on
if
required
Lit
continuously
(steady)
The
blade
server
has
power
and
is
turned
on.
No
action
required
Not
lit.
Blade
server
not
powered.
1.
Reseat
blade
server.
2.
Check
if
BladeCenter
power
supplies
numbers
3
and
4
are
installed
and
powered.
If
they
are
not,
install
and
power
them
or
use
slots
1-5.
3.
Go
to
“Power
problems”
on
page
57
Problems
indicated
by
the
system
board
LEDS
The
blade
server
must
be
removed
from
the
BladeCenter
unit
and
the
cover
removed
before
you
can
use
the
light
path
LEDs
for
diagnostics.
To
activate
the
light
box
and
the
other
light
path
LEDs,
press
the
light
path
diagnostics
switch.
The
location
of
each
LED
on
the
system
board
is
shown
in
the
table
below.
Error LED (JDIM11)
Error LED (JDIM10)
Error LED (JDIM01)
Error LED (JDIM
)
00
Light path
diagnostics
switch
Light box
Temperature fault LED
System board LED
NMI error LED
CPU fail LED
Light path
diagnostics
LED
NMI
CPU
S BRD
TEMP
LP
1
JDIM00 slot
JDIM01 slot
JDIM10 slot
JDIM11 slot
Figure
26.
Light
box
and
system
board
LEDs
54
BladeCenter
QS21
Type
0792:
Problem
Determination
and
Service
Guide