IBM 86884RX Maintenance Manual - Page 167

diagnostics.

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Service Processor message Memory Card Machine Check CYC_MCK2 Native I/O Card Machine Check PCI Card Machine Check PCI Power Good Fault Power supply 1-2 current exceeded max spec value Power Supply 1-2 Current Fault Power Supply 1-2 Overcurrent Fault Power Supply 1-2 12v Overvoltage Fault Power Supply 1-2 12v Undervoltage Fault Power Supply 1-2 5v Undervoltage Fault Power Supply 1-2 ac Power Removed, Early Power Off Warning Power Supply 1-2 dc Good Fault Power Supply 1-2 Fan Fault Power Supply 1-2 Removed Power Supply 1-2 Temperature Fault System shutoff due to CPU 1-4 over temperature FRU/action 1. Run diagnostics. 2. Memory board. 3. Processor board. 4. I/O board. 5. PCI-X board. 6. Midplane board. 1. Remove adapters in PCI-X slots 1 and 2, and run diagnostics. 2. I/O board. 3. Memory board. 4. Midplane board. 1. Remove PCI adapters, and run diagnostics. 2. PCI-X board. 3. Memory board. 4. Midplane board. 1. Remove PCI adapters and run diagnostics. 2. PCI-X board. 1. Check both power supplies are installed and connected to ac. 2. Power supply 1-2. 3. Power backplane. 1. Check/replace power supply 1-2. 2. Power backplane. 1. Check/replace power supply 1-2. 2. Power backplane. 1. Check/replace power supply 1-2. 2. Power backplane. 1. Check/replace power supply 1-2. 2. Power backplane. 1. Check/replace power supply 1-2. 2. Power backplane. Check ac power inputs. Check/replace power supply 1-2. Check/replace power supply 1-2. Check/replace power supply 1-2. 1. Check for airflow obstructions. 2. Check/replace power supply 1-2. 1. Check for airflow obstructions. 2. Check fans. 3. Microprocessor 1-4. Chapter 6. Symptom-to-FRU index 157

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Service
Processor
message
FRU/action
Memory
Card
Machine
Check
CYC_MCK2
1.
Run
diagnostics.
2.
Memory
board.
3.
Processor
board.
4.
I/O
board.
5.
PCI-X
board.
6.
Midplane
board.
Native
I/O
Card
Machine
Check
1.
Remove
adapters
in
PCI-X
slots
1
and
2,
and
run
diagnostics.
2.
I/O
board.
3.
Memory
board.
4.
Midplane
board.
PCI
Card
Machine
Check
1.
Remove
PCI
adapters,
and
run
diagnostics.
2.
PCI-X
board.
3.
Memory
board.
4.
Midplane
board.
PCI
Power
Good
Fault
1.
Remove
PCI
adapters
and
run
diagnostics.
2.
PCI-X
board.
Power
supply
1-2
current
exceeded
max
spec
value
1.
Check
both
power
supplies
are
installed
and
connected
to
ac.
2.
Power
supply
1-2.
3.
Power
backplane.
Power
Supply
1-2
Current
Fault
1.
Check/replace
power
supply
1-2.
2.
Power
backplane.
Power
Supply
1-2
Overcurrent
Fault
1.
Check/replace
power
supply
1-2.
2.
Power
backplane.
Power
Supply
1-2
12v
Overvoltage
Fault
1.
Check/replace
power
supply
1-2.
2.
Power
backplane.
Power
Supply
1-2
12v
Undervoltage
Fault
1.
Check/replace
power
supply
1-2.
2.
Power
backplane.
Power
Supply
1-2
5v
Undervoltage
Fault
1.
Check/replace
power
supply
1-2.
2.
Power
backplane.
Power
Supply
1-2
ac
Power
Removed,
Early
Power
Off
Warning
Check
ac
power
inputs.
Power
Supply
1-2
dc
Good
Fault
Check/replace
power
supply
1-2.
Power
Supply
1-2
Fan
Fault
Check/replace
power
supply
1-2.
Power
Supply
1-2
Removed
Check/replace
power
supply
1-2.
Power
Supply
1-2
Temperature
Fault
1.
Check
for
airflow
obstructions.
2.
Check/replace
power
supply
1-2.
System
shutoff
due
to
CPU
1-4
over
temperature
1.
Check
for
airflow
obstructions.
2.
Check
fans.
3.
Microprocessor
1-4.
Chapter
6.
Symptom-to-FRU
index
157