Remove a fan control board module

Follow instructions in this section to remove a fan control board module.

About this task

S002

CAUTION

The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

• Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See Remove a node from the rack.

Procedure

1. Make preparation for this task.
   1. Remove the middle top cover. See Remove the middle top cover.
   2. Remove the air baffle. See Remove the air baffle.
   3. Disconnect the fan control board power cable from the node. See Rear I/O connectors to locate the connectors.
   4. Remove the safety cover. See Remove the safety cover.
   5. Disconnect all the cables from the fan control board.
2. Remove the fan control board module.
   1. Loosen the thumbscrew that secures the fan control board module with the screwdriver.
   2. Slide the fan control board module until the guide pins on the enclosure are seated on the large opening of the key holes; then, lift the fan control board module to remove it.
      Figure 1. Removing the fan control board module
      
      
3. Remove the two screws that secure the fan control board to the fan control board cage; then lift the fan control board out of the cage.
   Figure 2. Disassembling the fan control board