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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 8878 and 8879," on page 23 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
1.8V Calgary 2 HSSIB Power Good Fault
1.8V Fault
2.5V Calgary HSSIB Power Good Fault
2.5V Calgary PLL Power Good Fault
3.3V Power Good Fault
5V Aux Power Good Fault
5V Power Good Fault
12V A Bus Fault
Action
1. Reseat the I/O board.
2. Reseat the microprocessor tray.
3. (Trained service technician only) Replace the PCI-X board.
1. If the light path diagnostics VRM LED is lit, replace the failing
VRM 3 or 4.
2. Reseat the following components:
a. Microprocessor tray
b. Power supply
c. Power backplane
3. Replace the components listed in step 2 one at a time, in the
order shown, restarting the server each time.
1. Reseat the I/O board.
2. Reseat the microprocessor tray.
3. (Trained service technician only) Replace the PCI-X board.
1. Reseat the I/O board.
2. Reseat the microprocessor tray.
3. (Trained service technician only) Replace the PCI-X board.
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 that
connects 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
133
Chapter 5. Diagnostics
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