Maintenance Requirements - Fujitsu MPA3022AT Maintenance Manual

1. Before touching a PCA, perform the human body grounding to
discharge static electricity from your body. This will prevent
electrical damage to the PCA.
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.
conditions which may cause circuits to overheat.
6. A ribbon type cable has one line marked. Ensure that this line
is always connected to pin 1 of the cable connector.
1.1.2

Maintenance requirements

(1) Preventive maintenance
The disk drive needs no preventive maintenance, not even the air filter needs to be changed.
The DE is completely sealed. Do not open the DE in the field.
(2) Service life
In situations where management and handling are correct, the life of the disk drive is five years
when the DE surface temperature is less than 48°C. When the DE surface temperature exceeds
48°C, the life is five years or 20,000 hours of operation, whichever occurs first. For the
measurement point of the DE surface temperature, refer to Section 3.2 in Product Manual.
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