Troubleshooting With Parts Replacement In The Factory; Finding Possibly Faulty Parts - Fujitsu MAB3091FC Series Maintenance Manual

Item
Frequent or repeated seek errors
Intermittent or nonfatal errors
If the disk drive error recurs or a possibly faulty part is found by troubleshooting, return the
complete disk drive to the factory for repair. A media defect list must be included with a disk
drive returned to the factory.
If the possibly faulty part is the disk enclosure, return the whole disk drive to the factory for
repair. Also if a clear error (erroneous servo track information or noisy drive) is detected in
the disk enclosure, return the whole disk drive to the factory. A media defect list must be
included with a disk drive returned to the factory.
Never open the disk enclosure in the field.
enclosure in the field may cause an irreparable fault.
2.3.4

Troubleshooting with parts replacement in the factory

This manual does not cover troubleshooting at the factory level.
2.3.5

Finding possibly faulty parts

Finding possibly faulty parts in the field was explained in Subsection 2.3.2. This manual does
not cover finding possibly faulty parts at the factory level.
Table 2.2 Disk drive troubleshooting
Collect sense data, and see Chapter 3.
Replace the disk drive, and check that the test method is correct. If
the error recurs, it is likely that the disk drive is normal but the test
method is incorrect.
Replace the disk drive, and check that the test method is correct. If
the error recurs, it is likely that the disk drive is normal but the test
method is incorrect.
To check performance, change the disk drive conditions by
changing the voltage or temperature.
CAUTION
C141-F028-01EN
Recommended action
Opening the disk
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