Contents

CHAPTER 1 Maintenance and Diagnosis.....................................................

1-1

1.1Maintenance 1-2

1.1.1Rules for maintenance 1-2

1.1.2Maintenance requirements 1-3

1.1.3Maintenance levels 1-5

1.1.4Disk drive revision number 1-6

1.1.5Tools and test equipment 1-8

1.1.6Self-diagnostics 1-8

1.1.7Test 1-8

1.2Operation Confirmation 1-10

1.2.1Operation test 1-10

1.2.2Diagnostic test 1-11

1.3Troubleshooting Procedure 1-11

1.3.1Troubleshooting procedure 1-11

1.3.2 Troubleshooting disk drive replaced in field 1-11

1.3.3Troubleshooting at factory 1-13

CHAPTER 2 Removal and Replacement Procedure ...................................

2-1

2.1Spare Parts 2-2

2.2Disk Drive Removal 2-2

C141-F051-01EN

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