IBM 8862 Hardware Maintenance Manual - Page 123

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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Service Processor message FRU/action Power Supply X DC Good Fault 1. If system power present indicator is on, reduce to minimum configuration (see page 136) and replace components one at a time to isolate fault. 2. If no system power: a. Power supply b. Power backplane Power Supply X Fan Fault v Power supply Power Supply X Removed 1. Reinsert the referenced power supply 2. Replace power supply X. 3. Replace power backplane. Power Supply X Temperature Fault 1. Verify fan air intake areas are clear and well-ventilated. 2. Verify all system fans are installed and functioning. 3. Power supply x. Power supply current exceeded max spec value 1. Insert another power supply (if possible) and ensure AC cord connections 2. Remove devices consuming extraordinary power from the system. 3. Replace power backplane. Processor configuration prohibits CPU X from operating at maximum speed v Information only Remote Login Successful. Login ID: v Information only Resetting system due to an unrecoverable error v Check light path LEDs for faults: 1. Microprocessors 2. DIMMs 3. Memory board 4. Microprocessor tray assembly 5. I/O board assembly Single fan failure v Replace any missing or failed fans or power supplies. System Approaching Maximum Power Consumption 1. Insert another power supply (if possible) and verify ac cord connections. 2. Remove devices consuming extraordinary power from the system. 3. Replace power backplane. System Boot Failed 1. Check the POST/BIOS boot checkpoint indicator and refer to appropriate documentation. 2. Verify memory board and DIMMs are properly connected and seated, and that they are functional. 3. Attempt to boot from backup BIOS image. System Complex Powered Down v Information only System Complex Powered Up v Information only System error log full v Clear Event Log. Chapter 6. Symptom-to-FRU index 113

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Note:
See
Chapter
7,
“Parts
listing,
Types
8861,
8862,”
on
page
139
to
determine
which
components
are
replaceable
by
the
customer
and
which
components
must
be
replaced
by
an
IBM
field
service
technician.
Service
Processor
message
FRU/action
Power
Supply
X
DC
Good
Fault
1.
If
system
power
present
indicator
is
on,
reduce
to
minimum
configuration
(see
page
136)
and
replace
components
one
at
a
time
to
isolate
fault.
2.
If
no
system
power:
a.
Power
supply
b.
Power
backplane
Power
Supply
X
Fan
Fault
v
Power
supply
Power
Supply
X
Removed
1.
Reinsert
the
referenced
power
supply
2.
Replace
power
supply
X.
3.
Replace
power
backplane.
Power
Supply
X
Temperature
Fault
1.
Verify
fan
air
intake
areas
are
clear
and
well-ventilated.
2.
Verify
all
system
fans
are
installed
and
functioning.
3.
Power
supply
x.
Power
supply
current
exceeded
max
spec
value
1.
Insert
another
power
supply
(if
possible)
and
ensure
AC
cord
connections
2.
Remove
devices
consuming
extraordinary
power
from
the
system.
3.
Replace
power
backplane.
Processor
configuration
prohibits
CPU
X
from
operating
at
maximum
speed
v
Information
only
Remote
Login
Successful.
Login
ID:
v
Information
only
Resetting
system
due
to
an
unrecoverable
error
v
Check
light
path
LEDs
for
faults:
1.
Microprocessors
2.
DIMMs
3.
Memory
board
4.
Microprocessor
tray
assembly
5.
I/O
board
assembly
Single
fan
failure
v
Replace
any
missing
or
failed
fans
or
power
supplies.
System
Approaching
Maximum
Power
Consumption
1.
Insert
another
power
supply
(if
possible)
and
verify
ac
cord
connections.
2.
Remove
devices
consuming
extraordinary
power
from
the
system.
3.
Replace
power
backplane.
System
Boot
Failed
1.
Check
the
POST/BIOS
boot
checkpoint
indicator
and
refer
to
appropriate
documentation.
2.
Verify
memory
board
and
DIMMs
are
properly
connected
and
seated,
and
that
they
are
functional.
3.
Attempt
to
boot
from
backup
BIOS
image.
System
Complex
Powered
Down
v
Information
only
System
Complex
Powered
Up
v
Information
only
System
error
log
full
v
Clear
Event
Log.
Chapter
6.
Symptom-to-FRU
index
113