Diagnostic
panel
LEDs
The
following
illustration
shows
the
LEDs
on
the
diagnostics
panel
inside
the
server.
CPU
VRM
MEMORY
DASD
NMI
SERVICE
PROCESSOR BUS
FAN
POWER SUPPLY
PCI BUS
2
1
NONREDUNDANT
TEMPERATURE
REMIND
The
system-error
LED
on
the
operator
information
panel
is
lit
when
certain
system
errors
occur.
If
the
system-error
LED
on
your
server
is
lit,
you
can
check
the
diagnostics
panel
to
see
if
any
LEDs
are
lit.
You
can
determine
the
cause
of
the
error
and
the
action
you
should
take
by
checking
the
table
at
“Diagnostic
panel
system
error
LED”
on
page
132.
Notes:
1.
Depending
on
your
server
model,
these
items
might
appear
in
a
different
orientation
on
the
LED
panel.
2.
The
server
supports
a
maximum
of
three
PCI
buses.
3.
See
the
documentation
that
comes
with
the
system-management
software
for
more
information
about
the
service
processor.
Remind
button
You
can
use
the
Remind
button
to
place
the
front
panel
system-error
LED
into
the
Remind
mode.
By
pressing
the
button,
you
acknowledge
the
failure
but
indicate
that
you
will
not
take
immediate
action.
If
a
new
failure
occurs,
the
system-error
LED
will
turn
on
again.
In
the
Remind
mode,
the
system-error
LED
flashes
every
2
seconds.
The
system-error
LED
remains
in
the
Remind
mode
until
one
of
the
following
situations
occurs:
v
All
known
problems
are
resolved
v
The
system
is
restarted
v
A
new
problem
occurs
You
can
use
the
Remind
button
to
delay
server
maintenance
until
a
later
time.
Also,
resetting
the
system-error
LED
enables
the
LED
to
react
to
another
error.
If
the
LED
is
still
on
from
the
first
error,
it
will
not
indicate
additional
errors.
If
you
press
the
Remind
button
(causing
the
LED
to
flash
every
2
seconds)
and
another
error
occurs,
the
LED
will
stop
flashing
and
will
instead
be
lit
continuously
to
alert
you
to
the
new
error.
Chapter
3.
Diagnostics
39
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