42.
Perform
the
following:
a.
Check
the
uninterruptible
power
supply
breakers
to
ensure
that
they
are
in
the
On
position.
b.
Check
the
battery
connectors
to
ensure
that
they
are
seated
c.
Check
the
transformer
connector
to
ensure
that
it
is
seated
correctly.
d.
Use
a
multimeter
to
measure
the
ac
voltage
at
the
internal
uninterruptible
power
supply
outlets
to
the
power
supplies.
Is
the
ac
voltage
from
200
V
ac
to
240
V
ac?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Exchange
the
following
parts
one
at
a
time
(see
for
part
numbers).
–
Uninterruptible
power
supply
battery
unit
-
part
04N5379
(minimum
voltage
12.5V
each)
–
Uninterruptible
power
supply
base
unit
–
Uninterruptible
power
supply
unit
signal
cable
SIG7
-
part
44H8027
–
Uninterruptible
power
supply
transformer
unit
-
part
44H7786
Continue
with
the
next
step.
43.
Perform
the
following:
a.
Disconnect
the
mainline
ac
power
cable
from
the
customer’s
ac
power
outlet.
b.
Exchange
one
of
the
following
FRUs:
v
SPCN
card
(see
symbolic
FRU
v
Power
supply
(see
symbolic
FRU
v
System
unit
card
enclosure
c.
Reconnect
the
mainline
ac
power
cables
to
the
power
outlet.
d.
Attempt
to
power
on
the
system.
e.
If
the
system
powers
on,
the
FRU
you
exchanged
is
a
failing
item.
If
the
system
does
not
power
on,
repeat
steps
43a
(See
page
through
43e
(See
page
and
exchange
the
next
FRU
in
the
list.
f.
If
the
system
does
not
power
on
after
exchanging
all
the
FRUs
in
the
list,
ask
your
next
level
of
support
for
assistance.
This
ends
the
procedure.
44.
Is
there
an
SRC
displayed
on
the
control
panel
for
the
frame
that
does
not
power
on?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Replace
the
SPCN
card
(see
symbolic
FRU
This
ends
the
procedure.
45.
Is
the
SRC
1xxx
xx2E?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
46.
Do
SPCN
optical
cables
A
connect
the
failing
frame
B
to
the
preceding
frame
in
the
string?
.---------.
(A)
SPCN
|
System
|
Optical
Cables
-.
.-----
SPCN
|
Unit
|
|
V
Optical
|
J15
|
.-.
V
.-.
Adapter
’----.----’
|
+------------+
|
|
|
+------------+
|
.----’----.
.-------’-+
.-------’-+
.---------.
|
J15
|
|
J16|
|
J15|
|
|
|Frame
J16+-+J15
Frame|
|Frame
J16+-+J15
Frame|
|
1
|
|
2
|
|
3
|
|
4
|
’---------’
’---------’
’---------’
’---------’
^
’----
(B)
Failing
Frame
Analyze
hardware
problems
53
