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System Fans
Four fans provide cooling. 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 chassis cover
while the power is on, and examine the fans to determine which one has failed.
2. Power down the affected node.
3. Remove the failed fan's power cable from the backplane.
4. Lift the fan housing up and out of the chassis.
5. Push the fan up from the bottom and out of the top of the housing.
Chapter 3: Maintenance and Component Installation
Figure 5-15. Fan Housing Placement
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