User Manual

3 System upgrade

Replacing a system fan

Altos R5250 system includes six dual-rotor easy-swap system fan

modules to provide adequate airflow and keep system running cool.

To replace the system fan:

1 Perform the pre-installation instructions described on page 28.

Warning! The system fan becomes very hot when the

system is on. Allow it to cool off first before handling.

2 Identify the defective fan.

3 Disconnect the system fan cable from the backplane board.

4 Grasp the fan and pull it up and away from the chassis.

5 Install the new fan by sliding the new fan into the chassis.

6 Connect the system fan cable to the fan cable connector on the

backplane board.

7 Observe the post-installation instructions described on page 28.