IBM 88631SU Service Guide - Page 107
System-error
UPC - 000435913135
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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, 7362," on page 107 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 3.3V Power Good Fault 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. 5V Aux Power Good Fault 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. 5V Power Good Fault 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. 12V A Bus Fault 1. Reseat the microprocessor tray. 2. Replace the PCI-X board. 3. Replace the power backplane 12V B Bus Fault 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 12V C Bus Fault 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 Chapter 2. Diagnostics 91