v
Yes
:
Exchange
the
last
I/O
device
you
reconnected
in
this
step.
See
the
for
the
model
you
are
working
on.
This
ends
the
procedure.
15.
Have
you
reconnected
all
the
I/O
devices?
v
Yes
:
This
ends
the
procedure.
v
No
:
Repeat
steps
14a
(See
page
14c
(See
page
and
14d
(See
page
Instructions
for
Models
800,
810,
825,
870,
and
890
1.
If
the
system
has
logical
partitions,
perform
this
procedure
only
from
the
Primary
partition’s
console
and
the
system
control
panel.
To
determine
if
the
system
has
logical
partitions,
go
to
before
continuing
with
this
procedure.
2.
Perform
the
following:
a.
Power
off
the
unit
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
trace
and
remove
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
b.
Disconnect
all
the
I/O
devices
(tape,
diskette,
optical,
and
disk
units)
from
the
unit
that
you
are
working
on
by
sliding
them
partially
out
of
the
unit.
See
the
for
the
model
you
are
working
on.
c.
Remove
and
label
all
of
the
cards
that
are
installed
in
the
PCI
card
area.
d.
Power
on
the
unit
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
reconnect
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
Does
a
power
reference
code
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
step
12
(See
page
.
3.
Perform
the
following:
a.
Power
off
the
unit
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
trace
and
remove
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
b.
Remove
all
power
supplies
except
the
first
one,
in
order.
The
first
one
will
be
P00
or
P01
depending
on
the
installed
configuration.
c.
Power
on
the
unit
that
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
reconnect
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
Does
a
power
reference
code
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
step
5
(See
page
This
ends
the
procedure.
4.
Perform
the
following:
a.
Power
off
the
unit
that
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
trace
and
remove
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
b.
Remove
the
power
supply
that
was
left
installed
in
step
3b.
c.
Reconnect
the
next
power
supply
in
order
(P01
or
P02).
d.
Power
on
the
unit
that
you
are
working
on.
Units
with
an
FC
5088
or
FC
0588
attached
-
reconnect
the
lower
frame
power
supply
ac
jumper
cables
at
the
power
supplies.
Does
a
power
reference
code
occur?
v
No
:
Exchange
the
power
supply
removed
in
step
4b.
This
ends
the
procedure.
v
Yes
:
Go
to
step
6
(See
page
5.
Perform
the
following:
a.
Power
off
the
unit
that
you
are
working
on.
Units
with
FC
5088
or
FC
0588
attached
-
trace
and
remove
the
lower
unit
power
supply
ac
jumper
cables
at
the
power
supplies.
164
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation