v
Yes:
Exchange
the
line
cord,
and
Continue
with
the
next
step.
7.
Press
the
(white)
Service
Complete
button.
Is
error
code
that
sent
you
to
this
procedure
still
reported?
v
No:
The
problem
has
been
corrected.
See
This
ends
the
procedure.
v
Yes:
Call
your
next
level
of
support.
This
ends
the
procedure.
MAPPWR-9:
2.5
V
current/voltage
problem
in
processor
subsystem
For
use
by
authorized
service
providers.
Note:
Read
the
Danger
and
caution
notices
in
the
introduction
before
performing
this
procedure.
1.
Record
the
error
code
and
location
codes
that
sent
you
to
this
procedure.
2.
Power
off
the
system.
See
Then,
examine
the
amber
logic-power
LEDs
of
all
installed
processor
subsystem
DCAs.
3.
Are
all
amber
logic-power
LEDs
of
all
installed
processor
subsystem
DC
converter
assemblies
(DCAs)
off?
v
Yes:
Continue
with
the
next
step.
v
No:
Replace
the
DCA
that
has
the
amber
logic
power
LED
that
did
not
turn
off.
See
4.
Pull
out
the
following
books
about
25
mm
(1
inch),
if
present.
See
v
Memory
book
0
at
location
M18
v
Memory
book
1
at
location
M24
v
Memory
book
2
at
location
M07
v
Memory
book
3
at
location
M02
5.
Power
on
the
system.
See
6.
Did
the
system
stop
with
the
same
error
code
as
recorded
in
step
1
(See
page
?
v
Yes:
Go
to
step
12
(See
page
.
v
No:
Continue
with
the
next
step.
7.
One
of
the
books
just
removed
is
defective.
a.
Power
off
the
system.
See
b.
Make
sure
all
amber
logic-power
LEDs
of
all
installed
processor
subsystem
DCAs
are
off.
8.
Reinsert
one
of
the
books
that
is
pulled
out
and
listed
in
step
4
(See
page
.
9.
Power
on
the
system.
See
10.
Did
the
system
stop
with
the
same
error
code
as
recorded
in
step
1
(See
page
?
v
Yes:
The
book
just
reinserted
is
defective.
Replace
it
and
return
the
system
to
its
original
configuration.
See
This
ends
the
procedure.
v
No:
Continue
with
the
next
step.
11.
Have
all
the
books
listed
in
step
4
(See
page
been
reinserted?
v
Yes:
The
symptom
has
changed.
Return
the
system
to
its
original
configuration.
See
This
ends
the
procedure.
v
No:
Go
to
step
8
(See
page
.
12.
Power
off
the
system.
See
Then,
examine
the
amber
logic-power
LEDs
of
all
installed
processor
subsystem
DCAs.
13.
Are
all
amber
logic-power
LEDs
of
all
installed
processor
subsystem
DCAs
off?
Analyze
hardware
problems
375