Contents
C141-E252 9
CHAPTER 6 Diagnostics and Maintenance ...................................................65
6.1 Diagnostics................................................................................................65
6.1.1 Self-diagnostics.........................................................................................65
6.1.2 Test programs............................................................................................68
6.2 Maintenance..............................................................................................69
6.2.1 Precautions................................................................................................69
6.2.2 Maintenance requirements........................................................................70
6.2.3 Maintenance levels ...................................................................................71
6.2.4 Tools and test equipment..........................................................................71
6.2.5 Tests..........................................................................................................72
6.3 Operation Check .......................................................................................73
6.3.1 Initial seek operation check......................................................................73
6.3.2 Operation test............................................................................................73
6.3.3 Diagnostic test...........................................................................................73
6.4 Troubleshooting........................................................................................74
6.4.1 Outline of troubleshooting procedures .....................................................74
6.4.2 Troubleshooting with HDD replacement in the field ...............................74
6.4.3 Troubleshooting at the repair site.............................................................76
6.4.4 Troubleshooting with parts replacement in the factory............................77
6.4.5 Finding possibly faulty parts.....................................................................77
6.5 Packaging..................................................................................................77
6.5.1 Unitary packaging.....................................................................................77
6.5.2 Multi box packaging.................................................................................78
CHAPTER 7 Error Analysis.............................................................................81
7.1 Sense Data Collection...............................................................................81
7.1.1 Sense data..................................................................................................81
7.1.2 Sense data format......................................................................................81
7.2 Sense Data Analysis..................................................................................83
7.2.1 Error information indicated with sense data.............................................83
7.2.2 Sense data (3-0C-03), (4-32-01), (4-40-xx), (4-C4-xx),
and (4-44-xx) ............................................................................................84
7.2.3 Sense data (1-1x-xx), (3-1x-xx) and (E-1D-00): Disk read error............84