IBM 8480 Hardware Maintenance Manual - Page 106

Power-supply, errors

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Page 106 highlights

Note: See "System" on page 112 to determine which components should be replaced by a field service technician. CD-ROM drive problems Symptom FRU/action System management test failed. 1. ASM adapter, if installed. 2. System board. CD0ROM test failed. 1. CD-ROM/diskette drive assembly. 2. System board. Ethernet test failed. v System board. ServeRAID test failed. v RAID controller. Tape drive test failed. v Tape drive. Power-supply LED errors Use the information in this section to solve power-supply problems. Note: The minimum configuration required for the dc good light to be lit is: v Power supply v Power cage assembly, if installed. v System board (set switch 7 of SW1 to bypass the power switch; see "System and PCI extender boards" on page 34. Note: See "System" on page 112 to determine which components should be replaced by a field service technician. AC good LED DC good LED Description FRU/action Off Off No power to system or ac problem. 1. Check ac power to the system. 2. Power supply. On Off Standby mode or dc problem. 1. Check system board cable connectors J4 and J10. Move switch 7 of SW 1 to bypass power control. If the dc good LED is lit, press Ctrl+Alt+Delete. Watch the screen for any POST errors. Check the System Error Log for any listed problems. If the system starts with no errors: a. Power switch assembly b. System board 2. Remove the adapters and disconnect the cables and power connectors to all internal and external devices. Turn on the system. If the dc good LED is lit, replace the adapters and devices one at a time until you isolate the problem. 3. Power supply. 4. Power cage assembly, if installed. 5. System board. On On Power is working properly. N/A 96 IBM xSeries 205 Type 8480: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See
“System”
on
page
112
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
CD-ROM
drive
problems
Symptom
FRU/action
System
management
test
failed.
1.
ASM
adapter,
if
installed.
2.
System
board.
CD0ROM
test
failed.
1.
CD-ROM/diskette
drive
assembly.
2.
System
board.
Ethernet
test
failed.
v
System
board.
ServeRAID
test
failed.
v
RAID
controller.
Tape
drive
test
failed.
v
Tape
drive.
Power-supply
LED
errors
Use
the
information
in
this
section
to
solve
power-supply
problems.
Note:
The
minimum
configuration
required
for
the
dc
good
light
to
be
lit
is:
v
Power
supply
v
Power
cage
assembly,
if
installed.
v
System
board
(set
switch
7
of
SW1
to
bypass
the
power
switch;
see
“System
and
PCI
extender
boards”
on
page
34.
Note:
See
“System”
on
page
112
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
AC
good
LED
DC
good
LED
Description
FRU/action
Off
Off
No
power
to
system
or
ac
problem.
1.
Check
ac
power
to
the
system.
2.
Power
supply.
On
Off
Standby
mode
or
dc
problem.
1.
Check
system
board
cable
connectors
J4
and
J10.
Move
switch
7
of
SW
1
to
bypass
power
control.
If
the
dc
good
LED
is
lit,
press
Ctrl+Alt+Delete.
Watch
the
screen
for
any
POST
errors.
Check
the
System
Error
Log
for
any
listed
problems.
If
the
system
starts
with
no
errors:
a.
Power
switch
assembly
b.
System
board
2.
Remove
the
adapters
and
disconnect
the
cables
and
power
connectors
to
all
internal
and
external
devices.
Turn
on
the
system.
If
the
dc
good
LED
is
lit,
replace
the
adapters
and
devices
one
at
a
time
until
you
isolate
the
problem.
3.
Power
supply.
4.
Power
cage
assembly,
if
installed.
5.
System
board.
On
On
Power
is
working
properly.
N/A
96
IBM
xSeries
205
Type
8480:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide