C141-F074 1-1
CHAPTER 1 Maintenance and Diagnosis
1.1 Maintenance
1.2 Operation Confirmation
1.3 Troubleshooting Procedure
This chapter describes the maintenance, diagnosis, operation check, and
troubleshooting 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