Chassis SC822 User's Manual Fans Four hot-swap, heavy-duty fans provide cooling. They 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. Replacing a System Fan 1. Determine which fan is failing. If possible, use IPMI. If not, remove the chassis cover while the power is running, and examine the fans to determine which one has failed. 2.
Press the release tab located on the left side of the fan (viewed from the chassis front) to release the fan lock, as shown below. Figure 3-8. Releasing the Fan Lock 3. Pull the fan up and out. Caution: Fans will continue to rotate for a brief time after removing them from the chassis. To avoid injury, keep fingers clear of the rotating fan blades. 4. Place the new fan into the fan bay until it clicks into place. Confirm that the fan is facing the correct direction, fully seated in the fan bay and functioning properly. 32