Diagnostics and Maintenance
72 C141-E252
6.2.5 Tests
This HDD can be tested in the following ways:
• Initial seek operation check (See Subsection 6.3.1)
• Operation test (See Subsection 6.3.2)
• Diagnostic test (See Subsection 6.3.3)
Figure 6.1 shows the flow of these tests.
Test results OK?
Start
Execute an operation
test using a host
computer or test
equipment
Yes
N
o
Yes
N
o
Start self-test by
turning the power on
Test results OK?
Continue operation
Check host system
(Table 6.2)
Host system
normal?
Analyze system-related
error
Replaced or repair
HDD
HDD
normal?
Execute diagnostic
test using a host
computer or test
equipment
Test results OK?
Test using voltage or
temperature stress
Test results OK?
Normal
Analyze HDD
error (Table 6.3)
Yes
Yes
N
o
N
o
Yes
N
o
Yes
N
o
Figure 6.1 Test flowchart