IBM 8872 - eServer xSeries 460, Service Manual

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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 8872 and Type 8874,” on page 93 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 Action
System Running Nonredundant Power
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.
User <USERID> attempting to power/reset
server
Information only
Video 1.8V Power Good Fault
1. Reseat the I/O board.
2. Replace the I/O board.
Video 2.5V Power Good Fault
1. Reseat the Remote Supervisor Adapter II SlimLine, if one is
present.
2. Reseat the I/O board.
3. Replace the I/O board.
Video Core 1.8V Power Good Fault
1. Reseat the I/O board.
2. Replace the I/O board.
VRM X Power Good Fault
1. Reseat VRM 3 or 4.
2. Reseat the microprocessor tray.
3. Replace VRM 3 or 4.
4. (Trained service technician only) Replace the microprocessor
tray.
Vtt Power Good Fault
1. Reseat the microprocessor tray.
2. (Trained service technician only) Reseat the microprocessors.
3. Reseat the microprocessor VRMs, if any are present.
4. (Trained service technician only) Replace the microprocessor
tray.
Chapter 2. Diagnostics
87