Sun Microsystems Enterprise Tape Library 7/3500, Field Service Manual

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Contents xv
Vertical Self-Test Failure MAP (Cont.) 74
Horizontal Self-Test Failure MAP 75
Horizontal Self-Test Failure MAP (Cont.) 76
Tape Drive Stepper Motor Self-Test Failure MAP 77
Tape Drive Communication Timeout Map 78
Tape Drive Handle Not OK Map 79
NVRAM Checksum Failure Map 80
Vertical Confirmation Sensor Failure Map 81
Horizontal Confirmation Sensor Failure Map 82
Tape Drive Interface PWA Isolation Map 83
4. FRU Removal and Replacement 89
Preparing for Maintenance 89
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To Turn Off the Library 89
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To Take the Library Offline 90
Removing the Cosmetic Panels 90
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To Remove the Top Panel 90
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To Remove the Left Panel 90
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To Remove the Right Panel 93
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To Remove the Front Panel 93
Removing the Controller Electronics Assembly 95
Required Tools 96
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To Remove the Controller Electronics Assembly 96
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To Replace the Controller Electronics Assembly 96
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Adjustments Required After Replacement 97
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To Troubleshoot 97
FRU Removal and Replacement Procedures 98
X-Axis Interconnect PWA 99