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Chapter 3: Maintenance and Component Installation
3.7 System Cooling
Fans
Four internal fans provide cooling.
Changing a System Fan
1. Determine which fan is failing. If possible, use IPMI. If not, remove the chassis cover
while the power is on, and examine the fans to determine which one has failed.
2. Remove power from the system.
3. Remove the AIOM and expansion card brackets to access the failed fan's power cable.
4. Remove the failed fan's power cable from the motherboard.
5. Lift the fan housing up and out of the chassis by....
6. Push the fan up from the bottom and out of the top of the housing.
7. Place the replacement fan into the vacant space in the housing while making sure the
arrows on the top of the fan (indicating air direction) point in the same direction as the
arrows on the other fans.
8. Put the fan housing back into the chassis and reconnect the cable.
9. Re-install the AIOM and expansion card brackets.
10.
Replace the drawer and confirm that the fan is working properly before replacing the
chassis cover.
Figure 3-12. Fan Replacement
