Step
1521-16
Reconnect
the
ac
power
cable(s)
to
the
power
distribution
unit.
Note:
Read
the
danger
and
caution
notices
under
“Safety
Notices”
on
page
xi
before
continuing
with
this
procedure.
Perform
the
following:
1.
Disconnect
the
ac
power
cable
from
each
power
supply
of
the
primary
I/O
drawer.
2.
Use
a
multimeter
to
measure
the
ac
voltage
at
the
drawer
end
of
each
ac
power
cable.
Is
the
ac
voltage
from
200
V
ac
to
240
V
ac?
NO
Replace
the
ac
power
cable(s).
This
ends
the
procedure.
Go
to
″
MAP
0410:
Repair
Checkout
″
in
the
RS/6000
and
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
.
YES
Go
to
“Step
1521-17.”
Step
1521-17
Check
internal
drawer
cabling
from
power
distribution
card
to
primary
I/O
backplane.
See
“Primary
I/O
Drawer
Cables”
on
page
481.
Replace
the
following
in
the
primary
I/O
drawer,
one
at
a
time,
disconnecting
the
ac
power
cable
(dc
power
cable
for
a
dc-powered
system)
to
each
power
supply
before
replacement
and
reconnecting
the
ac
power
cable
(dc
power
cable
for
a
dc-powered
system)
to
each
supply
after
replacement:
v
Primary
I/O
drawer
operator
panel
v
Fan
control
card
v
I/O
drawer
power
supply
(including
redundant
power
supply,
if
present)
v
Primary
I/O
drawer
backplane
Does
the
primary
I/O
drawer
operator
panel
show
the
OK
prompt?
NO
Contact
your
next
level
of
support
for
assistance.
YES
This
ends
the
procedure.
Go
to
″
MAP
0410:
Repair
Checkout
″
in
the
RS/6000
and
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
.
Chapter
3.
Maintenance
Analysis
Procedures
89
Summary of Contents for RS/6000 Enterprise Server M80
Page 1: ...RS 6000 Enterprise Server Model M80 Eserver pSeries 660 Model 6M1 Service Guide SA38 0571 01...
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Page 22: ...Data Flow 4 Service Guide...
Page 30: ...CEC Card Cage Rear of CEC drawer viewed from top cover removed 12 Service Guide...
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Page 485: ...Chapter 11 Parts Information This chapter contains parts information for the system 467...
Page 486: ...CEC Drawer Card Assembly 9 468 Service Guide...
Page 488: ...CEC Drawer Backplane 5 2a 1 2 3 4 470 Service Guide...
Page 490: ...CEC Drawer Power Supplies 1 2 3 4 5 6 7 8 9 472 Service Guide...
Page 492: ...CEC Drawer Fan Assemblies 2 1 3 4 5 6 8 9 10 11 12 13 7 14 474 Service Guide...
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