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6-3
System Fans
Four 8-cm hot-swap fans provide the cooling for the 2026T-6RFT+/6RF+. These
fans are located on the front side of the fan bracket. In addition, three optional fans
may be placed on the rear side of the fan bracket for cooling redundancy. An air
shroud is also included to concentrate the air fl ow for a greater cooling effect.
It is very important that the chassis top cover is properly installed and making a
good seal in order for the cooling air to circulate properly through the chassis and
cool the components.
System Fan Failure
Fan speed is controlled by system temperature via a BIOS setting. If a fan fails,
the remaining fan will ramp up to full speed and the overheat/fan fail LED on the
control panel will turn on. Replace any failed fan at your earliest convenience with
the same type and model (the system can continue to run with a failed fan).
Replacing System Fans
1. If necessary, open the chassis while the power is running to determine which
fan requires changing. (Never run the server for an extended period of time
with the chassis open.)
2. Press the fan release tab to lift the failed fan from the chassis and pull it
completely out of the chassis.
3. Place the new 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 direc-
tion as the arrows on the other fans. The fan will automatically begin running
at the correct speed.
4. Finish by replacing the chassis cover.
Release Tab
Chapter 6: Advanced Chassis Setup
Figure 6-2. System Fan
6-3
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