Power
error
messages
Power
to
the
blade
server
is
provided
by
shared
BladeCenter
unit
resources.
See
the
following
table
and
“Solving
shared
BladeCenter
resource
problems”
on
page
52.
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Types
7971
and
7972,”
on
page
59
to
determine
which
components
are
CRUs
and
which
components
are
FRUs.
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Message
Action
System
Power
Good
fault
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
Reseat
the
MPE
unit
(if
one
is
installed).
4.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
blade
server
each
time:
a.
(Trained
service
technician
only)
MPE
board
assembly
(if
one
is
installed)\n
b.
(Trained
service
technician
only)
System
board
assembly
VRM
Power
Good
fault
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
System
over
recommended
voltage
for
+12v.
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
System
over
recommended
voltage
for
+3.3v.
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
System
over
recommended
5V
fault.
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
VRM
voltage
over
recommended
tolerance.
1.
Reseat
the
blade
server.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
52).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
Chapter
2.
Diagnostics
31
Summary of Contents for LS21 - BladeCenter - 7971
Page 1: ...BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 2: ......
Page 3: ...BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 8: ...vi BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 16: ...xiv BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 78: ...62 BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 116: ...100 BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 128: ...112 BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
Page 129: ......
Page 130: ...Part Number 24R9695 Printed in USA 1P P N 24R9695...