command
end
successfully?
v
No
:
Continue
with
the
next
step.
v
Yes
:
This
ends
the
procedure.
10.
Record
the
SRC
on
the
Problem
summary
form
(see
Is
the
SRC
the
same
one
that
sent
you
to
this
procedure?
v
Yes
:
You
cannot
continue
to
analyze
the
problem.
Use
the
original
SRC
and
exchange
the
FRUs.
Begin
with
the
FRU
which
has
the
highest
percent
of
probable
failure
(see
the
failing
item
list
for
this
reference
code).
This
ends
the
procedure.
v
No
:
A
different
SRC
occurred.
Use
the
new
SRC
to
correct
the
problem
(see
This
ends
the
procedure.
TU-PIP4:
For
use
by
authorized
service
providers.
Use
this
procedure
to
reset
an
IOP
and
its
attached
tape
units.
Read
the
before
continuing
with
this
procedure.
If
disk
units
are
attached
to
an
IOP,
you
must
power
off
the
system,
then
power
it
on
to
reset
the
IOP.
1.
If
the
system
has
logical
partitions,
perform
this
procedure
from
the
logical
partition
that
reported
the
problem.
To
determine
if
the
system
has
logical
partitions,
go
to
before
continuing
with
this
procedure.
2.
Is
the
tape
unit
powered
on?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Perform
the
following:
a.
Press
the
Unload
switch
on
the
front
of
the
tape
unit
you
are
working
on.
b.
If
a
data
cartridge
or
a
tape
reel
is
present,
do
not
load
it
until
you
need
it.
c.
Continue
with
the
next
step
of
this
procedure.
3.
Verify
the
following:
v
If
the
external
device
has
a
power
switch,
ensure
that
it
is
set
to
the
On
position.
v
Ensure
that
the
power
and
external
signal
cables
are
connected
correctly.
Note:
For
every
8mm
and
1/4
inch
tape
unit,
the
I/O
bus
terminating
plug
for
the
SCSI
external
signal
cable
is
connected
internally.
These
devices
do
not
need
and
should
not
have
an
external
terminating
plug.
4.
Did
you
press
the
Unload
switch
in
step
2
(See
page
v
Yes
:
Can
you
enter
commands
on
the
command
line?
–
Yes
:
Continue
with
the
next
step.
–
No
:
Go
to
step
11
(See
page
v
No
:
Press
the
Unload
switch
on
the
front
of
the
tape
unit
you
are
working
on.
If
a
data
cartridge
or
a
tape
reel
is
present,
do
not
load
it
until
you
need
it.
Continue
with
the
next
step
of
this
procedure.
5.
Has
the
tape
unit
operated
correctly
since
it
was
installed?
If
you
do
not
know,
continue
with
the
next
step
of
this
procedure.
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
step
11
(See
page
6.
If
a
system
message
displayed
an
I/O
processor
name,
a
tape
unit
resource
name,
or
a
device
name,
record
the
name
for
use
in
the
next
step.
You
may
continue
without
a
name.
Does
the
I/O
processor
give
support
to
only
one
tape
unit?
If
you
do
not
know,
continue
with
the
next
step
of
this
procedure.
v
No
:
Continue
with
the
next
step.
230
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
