Power off the system.
See the power off instructions in Chapter 11, Powering Off and On .
Locate the fan tray assembly (Figure E-13) at the back of the card cage.
The fan tray includes two connectors and a switch.
Disconnect the cables from the fan tray assembly.
Loosen the two captive screws on the left side that secure the fan tray assembly to the cabinet.
Pull and slowly remove the fan tray assembly from the cabinet.