Diagnostic programs and messages, Power-supply diagnostics, Diagnostic – Lenovo RD210 User Manual
Page 179: Programs, Messages, Power-supply, Diagnostics
Table
13.
EasyLED
panel
LEDs
(continued)
LED
Description
Action
CPU
A
microprocessor
has
failed.
1.
Make
sure
that
the
failing
microprocessor,
which
is
indicated
by
a
lit
LED
on
the
system
board,
is
install
correctly.
2.
(Trained
service
technician
only)
Replace
the
microprocessor.
DASD
A
hard
disk
drive
error
has
occurred.
1.
Check
the
LEDs
on
the
hard
disk
drives
and
replace
the
hard
disk
drive
with
the
lit
LED.
2.
Replace
the
hard
disk
drive
backplane.
RAID
A
RAID
controller
error
has
occurred.
1.
Make
sure
that
a
RAID
controller
is
installed
correctly.
2.
Check
the
system-error
log
for
information
about
the
error.
BRD
An
error
has
occurred
on
the
system
board.
1.
Check
the
LEDs
on
the
system
board
to
identify
the
component
that
caused
the
error.
2.
Check
the
system-error
log
for
information
about
the
error.
Diagnostic
programs
and
messages
The
diagnostic
programs
are
the
primary
method
of
testing
the
major
components
of
the
server.
As
you
run
the
diagnostic
programs,
text
messages
are
displayed
on
the
screen
and
are
saved
in
the
test
log.
A
diagnostic
text
message
indicates
that
a
problem
has
been
detected
and
provides
the
action
you
should
take
as
a
result
of
the
text
message.
Please
see
the
Hardware
Maintenance
Manual
for
additional
information
on
diagnostic
programs
and
messages.
Power-supply
diagnostics
The
following
minimum
configuration
is
required
for
the
dc
LED
on
the
power
supply
to
be
lit:
v
Power
supply
v
Power
cord
The
following
minimum
configuration
is
required
for
the
server
to
start:
v
One
microprocessor
in
microprocessor
socket
1
v
One
1
GB
DIMM
on
the
system
board
v
One
power
supply
v
Power
cord
v
Six
cooling
fans
Chapter
7.
Solving
problems
163