Replacing chassis fans

Individual chassis fans can be removed and replaced from the chassis fan block in the C2100.

To remove a chassis fan from the fan block, complete the following steps, using the figure for reference for both the C2100 and C1200.

Step	Action
1	Open the appliance, as described in Opening the appliance.
2	Locate and mark the failed fan, then unplug the fan power cables from the motherboard.
3	Remove the ATA Flex cable retaining bracket, located on the backplane.
4	Unplug the copper-colored ATA Flex cable from the backplane. This cable is just to the left of the fan block.
5	Lift up on the retaining clip on the bottom right of the fan block, then slide the fan block to the right and lift it out of the chassis.
6	Press down on the latch below the failed fan, and swing the fan out of the fan block.

To install a chassis fan in the C2100 fan block, complete the following steps.

Step	Action
1	Insert the fan into the open slot in the fan block, pushing the fan from the bottom so it snaps into place. Note Ensure that the fan is inserted into the fan block so that the airflow direction is consistent with the remaining fans' airflow direction.
2	Reseat the fan block in the chassis, making sure to align the fan block bottom slots with the hooks on the chassis bottom.
3	Slide the fan block to the left, until the retaining clip seats and locks the fan block in place.
4	Plug the fan power cables back into the motherboard and plug the copper-colored ATA Flex cable back into the SCSI backplane and reattach the ATA Flex cable retaining bracket.
5	Close the appliance, as described in Closing the appliance.

Individual chassis fans cannot be removed and replaced in the chassis fan block of the C1200; the entire fan block must be removed and replaced.

To remove a chassis fan block from the C1200, complete the following steps, using the figure in Removing a chassis fan from the C2100 for reference.

Step	Action
1	Open the appliance, as described in Opening the appliance.
2	Remove the "L" shaped air baffle by pulling up and lifting out.
3	Unplug the fan power cable from the motherboard.
4	Press the tab on the end of the fan block to release it from the chassis slot.
5	Lift the fan block from the chassis.

To install a chassis fan block in the C1200, complete the following steps.

Step	Action
1	Slide the "L" shaped foot on the fan block into the chassis slot near the chassis sidewall.
2	Lower the fan block to the chassis floor. Ensure that it is seated between the raised guides and not on top of them.
3	Press down on the opposite end of the fan block until the tab fits into the chassis slot.
4	Plug the power cable into the system fan connector on the motherboard.
5	Install the air baffle.
6	Close the appliance, as described in Closing the appliance.