1.
Choose
from
the
following
options:
v
If
you
are
working
from
the
Service
Action
Log
and
a
card
position
is
listed
with
this
failing
item,
then
that
is
where
the
error
is
located.
Continue
with
the
next
step
in
this
procedure.
v
Otherwise,
record
the
bus
number
value,
BBBB,
in
word
7
of
the
SRC
(see
for
help
in
determining
the
bus
number).
Search
for
the
bus
number
in
HSM
or
the
System
Configuration
Listing
to
determine
which
tower
contains
the
failing
item.
2.
The
failing
component
is
built
into
the
backplane
of
the
FC
5075
expansion
I/O
tower.
Use
the
table
below
to
determine
the
service
information
for
the
failing
component.
Expansion
I/O
tower
Name
of
FRU
to
exchange
Link
to
failing
component
service
information
(CCIN,
PN,
remove
and
replace
procedure)
FC
5075
Tower
card
See
the
topic
FC
5095
Tower
card
See
the
topic
This
ends
the
procedure.
TWRCARD
For
use
by
authorized
service
providers.
An
SPCN
card
may
be
failing.
The
SPCN
card
may
be
on
the
backplane,
on
a
card,
or
part
of
the
AC
module
in
some
of
the
system
expansions.
See
the
for
the
model
you
are
working
on
before
exchanging
the
SPCN.
Perform
the
following
to
determine
the
part
number:
1.
Verify
that
all
cables
are
seated
correctly.
2.
Choose
from
the
following
options:
v
If
you
are
on
a
Model
270
or
820:
Continue
with
the
next
step.
v
If
you
are
on
a
Model
830,
840,
SB2,
or
SB3:
Go
to
step
5
(See
page
.
v
If
you
are
on
a
Model
800,
810,
825,
870,
or
890:
Go
to
step
7
(See
page
.
3.
Is
the
failing
SPCN
card
in
the
system
unit?
v
No
:
Continue
with
the
next
step.
v
Yes
:
The
TWRCARD
is
the
system
unit
backplane
(MB1).
Replace:
–
Model
270
without
removable
processor
as
installed:
-
(MB1)
-
(CCIN
224A)
-
(MB1)
[no
cache]
-
(CCIN
25B9)
-
(MB1)
[2M]
-
(CCIN
25BA)
–
Model
270
with
removable
processor
(MB1)
-
(CCIN
282F)
–
Model
820
(MB1)
-
(CCIN
282D)
Note:
See
symbolic
FRU
for
the
correct
part.
For
location
information,
see
for
the
model
you
are
working
on.
This
ends
the
procedure.
4.
The
failing
SPCN
card
is
in
a
secondary
expansion
unit
or
base
I/O
unit.
Note:
For
migrated
towers
(FC
5033,
FC
5034,
FC
5035,
FC
5065,
FC
5066,
FC
5072,
FC
5082,
FC
5073,
FC
5083,
and
FC
5077),
see
chapter
4
in
manual
on
the
V5R1
Supplemental
Manuals
web
site
for
remove
and
replace
procedures
before
exchanging
the
part.
v
For
FC
5033,
FC
5034,
and
FC
5035
,
the
SPCN
card
is
part
of
SPNLCARD,
and
is
the
card
located
behind
the
control
panel.
See
for
the
part
number.
470
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
