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Chapter 3: Maintenance and Component Installation
Figure 3-8. System Fan Placement
3.8 System Cooling
System Fans
Four hot-swap fans provide cooling and can be replaced without powering down the system.
Fan speed is controlled by a system temperature setting in IPMI. If a fan fails, the remaining
fans will ramp up to full speed. The system can continue to run with a failed fan. Replace
any failed fan at your earliest convenience with the same type and model.
Changing a System Fan
1. Determine which fan is failing. If possible, use IPMI. If not, remove the top and front
chassis covers while the power is on to determine which one has failed.
2. Remove the failed fan's power cable from the backplane.
3. Pull the fan out of the chassis.
4. 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.
5.
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