CHAPTER 6 Diagnostics and Maintenance
6.1Diagnostics
6.2Maintenance Information
6.3Operation Check
6.4Troubleshooting Procedures
This chapter describes diagnostics and maintenance information.
6.1Diagnostics
6.1.1Self-diagnostics
The HDDs have the following self-diagnostic function. This function checks the basic operations of the HDDs.
•Initial self-diagnostics
•Online self-diagnostics (SEND DIAGNOSTIC command)
Table 6.1 lists the contents of the tests performed with the self-diagnostics. For a general check of the HDDs including the operations of the host system and interface, use a test program that runs on the host system (see Subsection 6.1.2).
Table 6.1 Self-diagnostic functions
