Instruction manual

5. Expansion, Replacement and Removal
168
5.5 Replacement of a Fan Unit
This section describes the procedures to replace the fan unit in the power redundancy model.
The fan unit can be removed while the switch is on.
(1) Removing
[Step 1]
Loosen the screws of the fan unit.
Figure 5-6 Removing the Fan Unit 1
(1) Screws
[Step 2]
Hold the handle of the fan unit and pull it a little. Supporting the bottom, pull out the fan unit.
Figure 5-7 Removing the Fan Unit 2
(1) Power supply slot 2
(2) Fan unit
When the fan unit is replaced while the switch is still on, do not leave the device for more than
three minutes without a replacement fan unit. Otherwise, a failure might occur due to increasing
temperatures inside the switch.