b.
Use
a
multimeter
to
measure
the
DC
voltage
at
the
battery
charger
unit
outlets
or
ac
voltage
at
the
AC
module
and
power
distribution
unit
to
the
power
supplies.
Is
the
DC
voltage
from
145
V
dc
to
259
V
dc
for
the
battery
charger
unit
or
200
V
ac
to
240
V
ac
for
dual
line
cord
units
and
power
distribution
units?
v
No
:
Exchange
the
following
(as
installed):
–
Battery
charger
unit
(see
symbolic
FRU
–
AC
module
(see
–
Power
distribution
unit
This
ends
the
procedure.
v
Yes
:
Continue
with
the
next
step.
12.
DANGER
Dangerous
voltage
being
measured.
(RSFTD005)
Perform
the
following:
a.
Connect
the
ac
power
jumper
cables
to
the
AC
module,
battery
charger
unit,
or
power
distribution
unit.
b.
Disconnect
the
ac
power
jumper
cable
at
the
power
supplies.
c.
Use
a
multimeter
to
measure
the
DC
voltage
of
the
power
jumper
cables
input
to
the
power
supplies.
Is
the
DC
voltage
from
145
V
dc
to
259
V
dc
(200
V
ac
to
240
V
ac
for
dual
line
cord
units
and
power
distribution
units)
for
each
power
jumper
cable?
v
No
:
Exchange
the
power
jumper
cable.
This
ends
the
procedure.
v
Yes
:
Continue
with
the
next
step.
13.
Exchange
the
following
parts
one
at
a
time.
v
SPCN
card
unit
(see
symbolic
FRU
v
Display
unit
(see
symbolic
FRU
v
Power
supply
(see
with
a
new
unit,
replace
one
of
the
power
supplies
1,
2,
or
3
until
the
failing
unit
is
found.
This
ends
the
procedure.
14.
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
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
the
failing
item.
If
the
system
does
not
power
on,
repeat
this
step,
exchanging
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.
15.
Is
there
an
SRC
displayed
on
the
control
panel
for
the
unit
that
does
not
power
on?
v
No
:
Replace
the
SPCN
card
(see
symbolic
FRU
This
ends
the
procedure.
v
Yes
:
Continue
with
the
next
step.
58
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
