Fujitsu MHW2160BJ 用户手册

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Maintenance and Diagnosis 
7.1  Maintenance 
7.1.1  Rules for maintenance 
The following cautions must be observed to prevent injury during troubleshooting 
or maintenance. 
 
Static, Damage 
1. 
Don't install or remove a PCA or connect or disconnect a cable 
or connector plug when the drive is powered.  This may give 
you an electric shock. 
2. 
Keep away from mechanical assemblies in the unit during 
operation.  This may cause injuries. 
3. 
Avoid dangerous detergent when the disk drive is cleaned. 
The following cautions must be observed to avoid damaging the disk drive during 
troubleshooting and maintenance. 
 
Device damage 
1. 
Before touching a PCA or the drive, wear a wrist strap and 
perform the human body grounding to discharge static 
electricity from your body.  This will prevent irreparable 
damage to the PCA and the head of the drive. 
2. 
Don't install or remove a PCA or connect or disconnect a cable 
or connector plug when the drive is powered.  This will prevent 
electrical damage to the disk drive. 
3. 
Operating the disk drive with one or more PCA missing will be 
unpredictable.  Only power the drive with all boards installed. 
4. 
Avoid any detergent which may cause short circuits when 
cleaning assemblies. 
5. 
Keep all vents open opened and unblocked.  Avoid other 
conditions which may cause circuits to overheat. 
6. 
Do not apply excessive force to the cover under any 
circumstances.  Doing so may cause irreparable damage to the 
cover. 
7-2 
C141-E259