31.
Perform
the
following:
DANGER
Dangerous
voltage
being
measured.
(RSFTD005)
a.
Disconnect
the
mainline
ac
power
cable
from
the
failing
unit.
b.
Use
a
multimeter
to
measure
the
ac
voltage
at
the
end
of
the
mainline
ac
power
cable
of
the
failing
unit.
Is
the
ac
voltage
from
200
V
ac
to
240
V
ac
or
from
100
V
ac
to
127
V
ac?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Go
to
step
33
(See
page
.
32.
Are
you
working
on
a
Power
Distribution
Unit
with
tripped
breakers?
See
v
No
:
Exchange
the
mainline
ac
power
cable
or
Power
Distribution
Unit
(as
installed).
This
ends
the
procedure.
v
Yes
:
Reset
the
tripped
power
distribution
breaker,
and
go
to
the
power
problem
procedure
for
the
unit
that
is
connected
to
the
tripped
breaker.
This
ends
the
procedure.
33.
Is
the
failing
unit
an
xSeries
(TM)
Server
Tower?
v
No
:
Continue
with
the
next
step.
v
Yes
:
See
symbolic
FRU
This
ends
the
procedure.
34.
Does
the
frame
you
are
working
on
have
an
AC
module
with
a
docking
lead
screw
installed?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
step
36
(See
page
.
35.
Is
the
AC
module
lead
screw
seated
correctly
(clockwise)?
(See
the
topic,
or
the
manual
on
the
V5R1
Supplemental
Manuals
web
site
,
depending
on
the
secondary
frame
you
are
working
on.)
v
Yes
:
Exchange
the
AC
module.
See
the
topic,
or
the
manual
on
the
V5R1
Supplemental
Manuals
web
site
,
depending
on
the
secondary
frame
you
are
working
on.
This
ends
the
procedure.
v
No
:
Seat
the
AC
module
leadscrew
correctly
(clockwise)
and
reconnect
the
mainline
ac
power
cable
to
the
AC
module.
This
ends
the
procedure.
36.
Does
the
frame
you
are
working
on
have
ac
power
jumper
cables
installed?
(ac
power
jumper
cables
connect
from
the
battery
charger
unit,
internal
uninterruptible
power
supply,
or
AC
module
to
the
power
supplies.)
v
Yes
:
Continue
with
the
next
step.
v
No
:
Exchange
the
following
parts
one
at
a
time.
–
SPCN
card
unit
(see
symbolic
FRU
–
Control
Panel
–
Power
supply.
If
more
than
one
power
supply
is
present,
install
the
new
power
supply
in
each
position
until
the
failing
unit
is
found.
See
for
the
model
you
are
working
on.
This
ends
the
procedure.
37.
Are
the
ac
power
jumper
cables
from
the
battery
charger
unit,
internal
uninterruptible
power
supply,
or
Power
Distribution
Unit
to
the
power
supplies
connected
and
seated
correctly
at
both
ends?
Analyze
hardware
problems
51