7.
Perform
the
following:
a.
Power
off
the
system.
b.
Remove
the
only
bulk
power
supply
installed.
c.
Install
one
of
the
other
bulk
power
supplies
that
was
removed
in
step
6
(See
page
d.
Power
on
the
system.
Is
the
SRC
1xxx
1200
displayed?
v
Yes
:
Continue
with
the
next
step.
v
No
:
The
bulk
power
supply
just
removed
in
this
step
is
the
failing
item.
This
ends
the
procedure.
8.
Perform
the
following:
a.
Remove
regulator
R3.
b.
Power
on
the
system.
Is
the
SRC
1xxx
1200
displayed?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Regulator
R3
is
the
failing
item.
This
ends
the
procedure.
9.
Perform
the
following:
a.
Power
off
the
system.
b.
Exchange
the
SPCN
card.
See
symbolic
FRU
c.
Power
on
the
system.
Is
the
SRC
1xxx
1200
displayed?
v
Yes
:
Replace
the
backplane.
See
symbolic
FRU
This
ends
the
procedure.
v
No
:
The
SPCN
card
exchanged
in
this
step
was
the
failing
item.
This
ends
the
procedure.
10.
Perform
the
following:
a.
Power
off
the
system.
b.
Install
one
of
the
bulk
power
supplies
that
was
removed
in
step
6
(See
page
c.
Power
on
the
system.
Is
the
SRC
1xxx
1200
displayed?
v
No
:
Continue
with
the
next
step.
v
Yes
:
The
power
supply
that
you
installed
in
this
step
is
the
failing
item.
This
ends
the
procedure.
11.
Have
you
installed
all
of
the
power
supplies
that
were
removed
in
step
6
(See
page
v
Yes
:
Install
all
units
removed
in
this
procedure.
This
ends
the
procedure.
v
No
:
Repeat
step
10
(See
page
12.
Perform
the
following:
a.
Power
off
the
system.
b.
Install
one
of
the
regulators
that
was
removed
in
step
2
(See
page
c.
Remove
all
bus
load
(processor,
memory,
and
IOP
except
Clock
card).
d.
Power
on
the
system.
Is
the
SRC
1xxx
1200
displayed?
v
No
:
Continue
with
the
next
step.
296
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation