
Contents
C141-E264 9
CHAPTER 6 Diagnostics and Maintenance ...................................................69
6.1 Diagnostics................................................................................................69
6.1.1 Self-diagnostics.........................................................................................69
6.1.2 Test programs............................................................................................72
6.2 Maintenance..............................................................................................73
6.2.1 Precautions................................................................................................73
6.2.2 Maintenance requirements........................................................................74
6.2.3 Maintenance levels ...................................................................................75
6.2.4 Tools and test equipment ..........................................................................75
6.2.5 Tests ..........................................................................................................76
6.3 Operation Check .......................................................................................77
6.3.1 Initial seek operation check ......................................................................77
6.3.2 Operation test............................................................................................77
6.3.3 Diagnostic test...........................................................................................77
6.4 Troubleshooting ........................................................................................78
6.4.1 Outline of troubleshooting procedures .....................................................78
6.4.2 Troubleshooting with HDD replacement in the field ...............................78
6.4.3 Troubleshooting at the repair site .............................................................80
6.4.4 Troubleshooting with parts replacement in the factory ............................81
6.4.5 Finding possibly faulty parts.....................................................................81
6.5 Packaging..................................................................................................81
6.5.1 Single HDD packaging .............................................................................81
6.5.2 Multi-box packaging.................................................................................82
CHAPTER 7 Error Analysis .............................................................................85
7.1 Sense Data Collection...............................................................................85
7.1.1 Sense data..................................................................................................85
7.1.2 Sense data format......................................................................................85
7.2 Sense Data Analysis..................................................................................87
7.2.1 Error information indicated with sense data.............................................87
7.2.2 Sense data (3-0C-03), (4-32-01), (4-40-xx), (4-C4-xx),
and (4-44-xx) ............................................................................................88
7.2.3 Sense data (1-1x-xx), (3-1x-xx) and (E-1D-00): Disk read error............88