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C141-E262 7-1
CHAPTER 7 Maintenance and Diagnosis
7.1 Maintenance
7.2 Operation Confirmation
7.3 Troubleshooting Procedure
7.4 Disk Drive Removal Procedure
7.5 Spare Disk Drive
This chapter describes the maintenance, diagnosis, operation check,
troubleshooting, removal, and replacement of the disk drive. The following are
explained:
• Rules for regular maintenance and troubleshooting
• Display of maintenance level (field and factory)
• Display of machine revision number and number change in the field
• Tools and test devices needed for each maintenance level
• Standard testing for each maintenance level
• Recommended procedure for troubleshooting and fault diagnosis
• Disk drive removal and replacement procedure
• Spare disk drive