IBM 866011U - Netfinity 5500 - 8660, Hardware Maintenance Manual

Page: 287 / 402

FRU/Action
1.
Check
ac
power
to
system
2
.
Power
Supply
3
.
Power
Backplane
4.
Power
AC
Inlet
Box
1.
Verify
power
supply
switch
is
on.
2.
Check
processor
connectors
J10
and
J17.
3.
Move
jumper
J32
to
pins
2-3
to
bypass
power
control.
If
the
DC
Good
LED
comes
on,
reseat
the
system
power
switch
(button)
assembly
cable
connector
to
the
system
board.
4.
Remove
the
adapters
and
disconnect
the
cables
and
power
connectors
to
all
internal
and
external
devices.
Power-on
the
system.
If
the
DC
Good
LED
comes
on,
replace
the
adapters
and
devices
one
at
a
time
until
you
isolate
the
problem.
5
.
Power
Supply
6
.
Power
Backplane
7
.
System
Board
8
.
Processor
Board
N/A
Description No
power
to
system
or
ac
problem.
Standby
mode
or
dc
problem.
Power
is
OK
DC
Good
LED
Off Off On
Table
14.
Power
Supply
LED
Errors
AC
Good
LED
Off On On
Netfinity 5500 - Type 8660
279