CHAPTER 4: Installing Components

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Replacing system fans

Important

Make sure that the arrows on top of the fans indicating airflow point to the back of the chassis. The fan cable should exit the fan module toward the back of the chassis.

This server contains two groups of hot-swappable fans (seated in fan cages) and a fan board, which are located inside the chassis. The first group of fans is in front of the processors and contains six fans in three dual-fan assemblies. The second group of fans is in front of the power supply, and contains two fans. These fans maintain the ideal temperature for the system board, backplane, and disk drives. If one fan fails, the speed of the other fans will increase. With the bad one replaced, the other fans may revert to the normal speed.

To replace a system fan:

1Follow the instructions in “Preventing static electricity discharge” on page 30.

2Follow the instructions in “Opening the server case” on page 31.

3Determine which fan group needs to be replaced by noting which fans are not operating.

4Pull up the locking handle (4) on the system fan, then lift the fan group (5) from the fan cage in the chassis.

5Insert the replacement fan group into the fan cage and press down the locking handle to secure the fan group in place.

6 Follow the instructions in “Closing the server case” on page 32.

Important

Both system fan cages are replaced in a similar manner.

To replace the system fans and the fan cage:

1Follow the instructions in “Preventing static electricity discharge” on page 30. Make sure that you turn off the server, then unplug the power cord(s) and all other cables connected to the server.

2 Follow the instructions in “Opening the server case” on page 31.

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