Fujitsu MBA3300NC Manual Do Utilizador

 

For maintenance at this level, we recommend additional testing of the HDD and signal checking. 

 

The sense data posted from the HDD helps with troubleshooting.  This sense data makes the error type 
clear (functional, mechanical, or electrical error).  Chapter 7 error analysis by sense data, and gives 
supplementary information on finding the error cause (faulty part). 

 

Table 6.3 lists how to detect a faulty HDD subassembly.  This fault finding requires a working 
host computer or HDD test equipment to recreate the error conditions. 

 

If the detected error cannot be recreated in an ordinary test, HDD conditions can be changed to 
force the error to recur.  This is done by changing the DC voltage or the ambient temperature of 
the HDD. 

 

If the error does not recur with changed conditions, the HDD is not faulty.  If no error occurs in 
the HDD test, notify the user of the test results, and find out from the user the environment 
conditions where the HDD is used. 

Item Recommended 

action 

Frequent or repeated seek errors 

Collect sense data, and see Chapter 7. 

Replace the HDD, and check that the test method is correct.  If the 
error recurs, it is likely that the HDD is normal but the test method is 
incorrect. 

Intermittent or nonfatal errors 

Replace the HDD, and check that the test method is correct.  If the 
error recurs, it is likely that the HDD is normal but the test method is 
incorrect. 

To check performance, change the HDD conditions by changing the 
voltage or temperature. 

 

If the HDD error recurs or a possibly faulty part is found by troubleshooting, return the complete 
HDD to Fujitsu for repair.  A media defect list must be included with the HDD returned to Fujitsu. 

 

If the possibly faulty part is the HDD, return the whole HDD to Fujitsu for repair.  Also if a clear 
error (erroneous servo track information or noisy HDD) is detected in the DE, return the whole 
HDD to Fujitsu.  A media defect list must be included with the HDD returned to Fujitsu. 

CAUTION 

 

C141-E270 

107