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5.3.2 GS4000-320E (AC) /GS4000-320E (DC)
You can replace a fan unit without powering off the device.
WARNING: THE REPLACEMENT OF A FAN UNIT SHOULD BE DONE BY A TRAINED
!
(1) Detachment of a Fan Unit
Comply with the following procedure when removing a Fan Unit.
Step 1
Loosen the screws of a front panel attached to the fan unit targeted for replacement,
and remove this front panel from the fan unit.
Fan Unit to
Be Replaced
Front Panel
Screws
Figure 5.3-7
520-10-026-30X
ENGINEER OR A QUALIFIED MAINTENANCE PERSON.
Caution: When replacing a fan unit while powered on, it must be done within one
minute after being detached. If replacement takes more than one minute, the
temperature inside the device will start to rise and could affect other
components.
Front Panel Removed From a Fan Unit
GS4000 Installation Guide Revision 4.00
5-7
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