IBM 8863 - eServer xSeries 366 Service Manual page 95

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 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
3.3V Power Good Fault
5V Aux Power Good Fault
5V Power Good Fault
12V A Bus Fault
12V B Bus Fault
12V C Bus Fault
Action
1. Reseat the Remote Supervisor Adapter II SlimLine, if present.
2. Reseat the I/O board.
3. (Trained service technician only) Replace the PCI-X board.
1. Reseat the I/O board.
2. (Trained service technician only) Disconnect the cable
connecting the operator information panel to the I/O board.
3. Replace the I/O board.
4. (Trained service technician only) Replace the PCI-X board.
Disconnect the monitor and all USB devices from the server; then:
1. Reseat the I/O board.
2. Reseat the microprocessor tray.
3. (Trained service technician only) Replace the PCI-X board.
1. Reseat the microprocessor tray.
2. Replace the PCI-X board.
3. Replace the power backplane
1. Reseat the following components:
a. Disk drives
b. SAS hard disk drive backplane cables
2. Replace the following components one at a time, in the order
shown, restarting the server each time.
a. Disk drives
b. SAS hard disk drive backplane
c. (Trained service technician only) Power backplane
d. (Trained service technician only) PCI-X board
1. Reseat the following components:
a. PCI or PCI-X adapters
b. Microprocessor tray
2. Replace the following components one at a time, in the order
shown, restarting the server each time.
a. PCI or PCI-X adapters
b. (Trained service technician only) PCI-X board
c. (Trained service technician only) Power backplane
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Chapter 2. Diagnostics