PWROC
For
use
by
authorized
service
providers.
A
power
supply
is
reporting
a
load
fault.
Follow
the
instructions
for
the
model
you
are
working
on:
v
Models
270
and
820
(See
page
v
Models
800,
810,
825,
870/890
(FC
9094)
(See
page
v
Models
830,
840,
SB2,
and
SB3
(See
page
Instructions
for
Models
270
and
820
1.
Is
the
SRC
1xxx
1B01,
1B02,
1B03,
1B04,
1B06,
or
1B07
on
a
Model
270
or
820
system
unit?
v
No
:
Continue
with
the
next
step.
v
Yes
:
For
a
Model
270,
perform
to
isolate
the
failing
item.
For
a
Model
820,
perform
to
isolate
the
failing
item.
The
failing
item
may
be
one
of
the
following
parts
(see
for
part
numbers):
–
Any
part
on
the
system
power
bus
–
Power
supply
P01:
-
Model
270
-
Model
820
–
Power
supply
P02,
Model
820
–
Power
supply
P03,
Model
820
This
ends
the
procedure.
2.
Is
the
SRC
1xxx
1B05?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Replace
the
following
part:
–
On
a
Model
270
with
FC
22A7,
22A8,
or
2423:
processor
regulator
(see
for
part
number)
–
On
a
Model
270
with
FC
22A2,
22A4,
22A5,
or
2422:
regulator
card
R01
(see
for
part
number)
–
On
a
Model
820:
processor
card,
see
symbolic
FRU
3.
Is
the
SRC
1xxx
1B11,
1B12,
1B13
1B14,
1B16
or
1B17
on
a
Model
270
(FC
7104),
or
SRC
1xxx
1B01,
1B02,
1B03
1B04,
1B06,
1B07
on
an
FC
5075,
FC
5095,
or
FC
0595
I/O
tower?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Perform
to
isolate
the
failing
item.
The
failing
item
may
be
one
of
the
following
parts
(see
for
part
number):
a.
Any
part
on
the
expansion
power
bus.
b.
Power
supply:
–
FC
7104
power
supply
P02
–
FC
5075
power
supply
P01
or
P02
–
FC
5095,
FC
0595
power
supply
P01
or
P02
4.
Is
the
SRC
1xxx
1B01,
1B02,
1B03,
1B04,
1B05,
1B06
or
1B07
on
an
FC
5074,
FC
5079,
FC
5078,
FC
0578,
FC
5088,
or
FC
0588
expansion?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Perform
the
following
depending
on
the
model:
–
For
FC
5074,
FC
5079:
Perform
to
isolate
the
failing
item.
The
failing
item
may
be
one
of
the
following
parts:
-
Any
part
on
the
system
power
bus
Analyze
hardware
problems
421
