1Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.
2Open the system. See "Opening the System" on page 117.
3Remove the power distribution boards. See "Removing a Power Distribution Board" on page 121.
4Disconnect all the cables from the fan controller board. See Figure
5Remove the screw securing the fan controller board to the chassis. See Figure
6Slide and lift the fan controller board out of the chassis. See Figure 3-
25.
Figure 3-25. Removing and Installing the Fan Controller Board
1 | screw | 2 | fan controller board |