IBM BladeCenter HS20 Type 8832 Maintenance And Troubleshooting Manual

Also see for eServer BladeCenter HS20 Type 8832: Setup guide Installation and user guide Problem determination and service guide

Contents

Note: See “System” on page 94 to determine which components should be replaced by a field service technician.Message ActionCPU x shut off due to over temperature 1. Ensure that the system is being properly cooled; see “Systemreliability considerations” on page 27.2. Replace microprocessor x.Critical Blower Failure, blade serverpowering down v See BladeCenter Hardware Maintenance Manual.Power Modules are over temperature,blade server powering down v See BladeCenter Hardware Maintenance Manual.DASD checkoutNote: See “System” on page 94 to determine which components should be replaced by a field service technician.Message ActionHard drive x removal detected(level-critical; hard drive x has beenremoved)v Information only, take action as appropriate.Undetermined problemsNote: When troubleshooting a problem with the HS20 Type 8832, it must bedetermined whether the problem is a blade server problem or a problem withthe BladeCenter unit.v If the BladeCenter unit contains more than one blade server and only oneof the blade servers exhibits the problem, it is likely that it is a bladeserver problem.v If all of the blade servers exhibit the same symptom, it is probably aBladeCenter unit problem; for more information, see the IBM BladeCenterHardware Maintenance Manual.Use the information in this section if the diagnostic tests did not identify the failure,the devices list is incorrect, or the system is inoperative.Damaged data in CMOS memory or damaged BIOS code can cause undeterminedproblems. To reset the CMOS data, remove the battery for 15 minutes, and thenreinstall the battery. If you suspect that the BIOS code is damaged, see“Recovering the BIOS code” on page 25.Check the LEDs on all the power supplies of the BladeCenter unit where the bladeserver is installed. If the LEDs indicate the power supplies are working correctly,and reseating the blade server does not correct the problem, complete the followingsteps:1. Check that the front panel is connected to the system board.2. If no LEDs on the front panel are working, replace the front panel; then, try topower up the blade server from the BladeCenter web interface (see theBladeCenter documentation for more information).3. Turn off the blade server.4. Remove the blade server and remove the cover.90 BladeCenter HS20 Type 8832: Hardware Maintenance Manual and Troubleshooting Guide