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Chapter 3 Troubleshooting 33
3.1 Suspected Failure Conditions 33
3.2 Determining the Causes of Individual Failures 33
3.3 Identifying a Failure 34
3.3.1 Checking the LED indications 35
3.3.2 Checking error messages 35
3.3.3 Checking the status of a component 35
3.3.4 Checking the status of a PCI expansion unit 37
3.3.5 Checking log information 38
3.3.6 Checking the messages output by the predictive self-repairing
tool 39
3.3.7 Identifying the location of the chassis requiring maintenance 40
3.4 Downloading Error Log Information 40
Chapter 4 Preparing for Maintenance 41
4.1 Preparing Tools Required for Maintenance 41
4.2 Confirming the System Configuration 41
4.2.1 Confirming the hardware configuration 42
4.2.2 Confirming the software and firmware configurations 42
4.3 Understanding Types of Maintenance 44
Chapter 5 Understanding the Preparations for Enabling Maintenance 53
5.1 Releasing an FRU from the System with the replacefru Command 53
5.2 Releasing a Chassis from the Physical Partition 56
5.3 Powering Off the Physical Partition Requiring Maintenance 60
5.4 Stopping the Entire System 62
5.4.1 Stopping the system with the XSCF command 63
5.4.2 Stopping the system from the operation panel 63
5.5 Accessing Components 64
5.5.1 Lowering the cable support 64
5.5.2 Removing the power cord 65
5.5.3 Removing the front cover 67
Chapter 6 Understanding the Preparations for Restoring the System 69
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual • December 2013iv