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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Type 8863," on page 105 to determine which components are customer
replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)", that step must be performed only by a
trained service technician.
System-error log message
QB Vcc PLL Power Good Fault
Remote Login Successful. Login ID:
Resetting system due to an unrecoverable error
SCSI 1.8V Power Good Fault
Single fan failure
SMI reported a Machine Check on Memory Card Note: Make sure you re-enable the memory in the
SMI reported a Machine Check on Memory
Card, Dimm
Software NMI
System Approaching Maximum Power
Consumption
Action
1. Reseat the microprocessor tray.
2. (Trained service technician only) Reseat the microprocessors.
3. Reseat the microprocessor VRMs, if present.
4. (Trained service technician only) Replace the microprocessor
tray.
Information only
Check the following light path diagnostics LEDs for faults:
Note: Make sure you re-enable the memory in the
Configuration/Setup Utility program. See, "Memory problems" on
page 52
1. Microprocessors
2. DIMMs
3. Memory card
4. Microprocessor tray
5. I/O board assembly
1. Reseat the I/O board.
2. Replace the I/O board.
Replace any missing or failed fans or power supplies.
Configuration/Setup Utility program. See, "Memory problems" on
page 52
1. Reseat the memory card.
2. Replace the memory card.
Note: Make sure you re-enable the memory in the
Configuration/Setup Utility program. See, "Memory problems" on
page 52
1. Reseat the DIMM.
2. Reseat the memory card.
3. Replace the DIMM.
Make sure that the system software is operating correctly and does
not conflict with other software; the system software has created a
software NMI.
1. Install another power supply (if possible) and make sure that
the ac power cords are correctly connected.
2. Remove devices that consume an extraordinary amount of
power.
3. Replace the power backplane.
99
Chapter 2. Diagnostics
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