Table
1.
Power
off
and
power
on
positions
of
tape
unit
power
switches
Operation
Power
switch
type
Toggle
push
in/out
Power
off
Down
Out
Power
on
Up
In
8.
Set
the
tape
unit
Power
switch
to
the
Power
On
position
(see
Table
1.
Power
off
and
power
on
positions
of
tape
unit
power
switches
(See
page
in
this
topic).
The
Power
light
should
go
on
and
remain
on.
If
a
power
problem
is
present,
one
of
the
following
power
failure
conditions
may
occur:
v
The
Power
light
flashes,
then
remains
off.
v
The
Power
light
does
not
go
on.
v
Another
indication
of
a
power
problem
occurs.
Does
one
of
the
above
power
failure
conditions
occur?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Perform
the
following:
a.
Go
to
the
service
information
for
the
specific
tape
device
to
correct
the
power
problem.
b.
When
you
have
corrected
the
power
problem,
go
to
This
ends
the
procedure.
9.
The
tape
unit
is
powered
on
and
runs
its
power-on
self-test.
Wait
for
the
power-on
self-test
to
complete.
Does
the
power-on
self-test
complete
successfully?
v
No
:
Go
to
the
service
information
for
the
specific
tape
device
to
correct
the
problem.
Then
go
to
This
ends
the
procedure.
v
Yes
:
Go
to
This
ends
the
procedure.
TU-PIP2:
For
use
by
authorized
service
providers.
Use
this
procedure
to
perform
the
8mm
tape
drive
read
self-test
and
hardware
self-test.
The
write
test
is
performed
in
Read
the
before
continuing
with
this
procedure.
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.
Press
the
Unload
switch
on
the
front
of
the
8mm
tape
drive.
Is
a
data
cartridge
present?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Attempt
to
remove
the
data
cartridge.
Can
you
remove
the
data
cartridge?
–
Yes
:
Continue
with
the
next
step.
–
No
:
The
tape
drive
is
the
failing
part.
Go
to
After
removing
the
data
cartridge,
exchange
the
tape
drive
(see
Removable
media
in
This
ends
the
procedure.
3.
Clean
the
tape
drive
by
using
the
cleaning
cartridge
(part
16G8467).
If
the
tape
drive
ejects
the
cleaning
cartridge
with
the
Disturbance
light
on,
a
new
cleaning
cartridge
is
needed.
The
tape
drive
unloads
automatically
when
cleaning
is
complete.
Cleaning
takes
up
to
5
minutes.
Is
the
Disturbance
light
on
continuously?
v
No
:
Continue
with
the
next
step.
226
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
