Operation Manual

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