IBM 8872 Service Guide - Page 102
Successful.
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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 QB Vcc PLL 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. Remote Login Successful. Login ID: Information only Resetting system due to an unrecoverable error Check the following light path diagnostics LEDs for faults: 1. Microprocessors 2. DIMMs 3. Memory card 4. Microprocessor tray 5. I/O board assembly SCSI 1.8V Power Good Fault 1. Reseat the I/O board. 2. Replace the I/O board. Single fan failure Replace any missing or failed fans or power supplies. SMI reported a Machine Check on Memory Card 1. Reseat the memory card. = %d 2. Replace the memory card. SMI reported a Machine Check on Memory Card 1. Reseat the DIMM. %d, Dimm %d 2. Reseat the memory card. 3. Replace the DIMM. Software NMI Make sure that the system software is operating correctly and does not conflict with other software; the system software has created a software NMI. System Approaching Maximum Power Consumption 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. System Boot Failed 1. Check the POST/BIOS boot checkpoint indicator and see the applicable documentation. 2. Make sure that the memory card and DIMMs are correctly connected and seated and that they are functional. 3. Attempt to start the server from the backup BIOS page. System Complex Powered Down Information only System Complex Powered Up Information only System-error log full Clear the event log. System log 75%% full Information only System Memory Error 1. Reseat the memory adapter and DIMMs. 2. Replace the memory. 86 IBM xSeries 460 Type 8872 and xSeries MXE 460 Type 8874: Problem Determination and Service Guide