v
Yes:
Continue
with
the
next
step.
4.
Perform
the
following
steps:
a.
Prepare
a
multimeter
to
measure
up
to
600
V
ac.
b.
Use
the
multimeter
to
measure
the
ac
voltage
at
the
following
test
points
on
the
faceplate
of
the
BPA
that
is
referenced
by
the
error
code
that
sent
you
to
this
procedure:
Figure
1.
Measuring
the
ac
voltage
v
Phase
A
and
phase
B
v
Phase
B
and
phase
C
v
Phase
C
and
phase
A
Are
all
the
readings
greater
than
180
V
ac?
v
No:
Continue
with
the
next
step.
v
Yes:
Exchange
the
following
FRUs
one
at
a
time:
–
BPR
1
on
the
side
referenced
by
the
error
code
that
sent
you
to
this
procedure.
–
BPR
2
on
the
side
referenced
by
the
error
code
that
sent
you
to
this
procedure.
–
BPR
3
(as
installed)
on
the
side
referenced
by
the
error
code
that
sent
you
to
this
procedure.
Note:
For
BPR
1,
2,
and
3:
See
symbolic
FRU
–
BPC
on
the
side
referenced
by
the
error
code
that
sent
you
to
this
procedure.
See
symbolic
FRU
–
Bulk
power
enclosure
on
the
side
referenced
by
the
error
code
that
sent
you
to
this
procedure.
See
for
the
part
number
and
a
link
to
the
remove
and
replace
procedure.
After
each
FRU
is
exchanged,
is
the
error
code
that
sent
you
to
this
procedure
still
reported?
–
No:
The
problem
has
been
corrected.
See
This
ends
the
procedure.
–
Yes:
Replace
the
next
FRU
on
the
list.
If
all
FRUs
on
the
list
have
been
replaced,
call
your
next
level
of
support.
5.
Inform
the
customer
that
the
line
voltage
into
the
BPA
is
missing
or
too
low,
and
must
be
checked.
Can
the
line
voltage
be
checked
now?
v
No:
Defer
this
repair
until
the
customer’s
utility
can
check
the
line
voltage.
This
ends
the
procedure.
v
Yes:
Continue
with
the
next
step.
6.
Does
the
customer
utility
voltage
check
out
okay?
v
No:
The
customer
must
restore
utility
voltage.
This
ends
the
procedure.
374
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation