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Cisco Nexus 5600 Series Hardware Installation Guide
Chapter 4 Replacing Components
Replacing a Fan Module
Note To change the airflow direction of the chassis, you must power down the switch before swapping out all
fan and power supply modules.
This section includes the following topics:
• Removing a Fan Module, page 4-6
• Installing a Fan Module, page 4-6
Removing a Fan Module
Warning
When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the
fan blades completely stop before you remove the fan tray.
Statement 258
To remove a fan module, follow these steps:
Step 1 Loosen the captive screws on the fan module by turning them counterclockwise, using a flat-blade or
number 2 Phillips screwdriver if required. On the Cisco Nexus 5624Q, 5672UP, and 5672UP-16G
switches, there are no screws; instead, press together the latches on the fan module to release it.
Step 2 Grasp the fan module and pull it outward.
Step 3 Pull the fan module clear of the chassis.
Installing a Fan Module
To install a fan module, follow these steps:
Step 1 Hold the fan module in such a way that the Product ID label is straight, horizontally.
Step 2 Place the fan module into the chassis fan bay so it rests on the chassis, and then push the fan module into
the chassis as far as it can go until the captive screw makes contact with the chassis, and tighten the
captive screws. On the Cisco Nexus 5624Q, 5672UP, and 5672UP-16G switches, there are no screws;
instead, latches engage inside when you insert the module fully.
Step 3 If the switch is powered on, listen for the fans. You should immediately hear them operating. If you do
not hear them, ensure that the fan module is inserted completely in the chassis and the faceplate of the
module is flush with the outside surface of the chassis. The fans may change speed a few times as they
synchronize with each other and adjust to the proper operating speed.
Step 4 Verify that the fan module LED is green. If the LED is not green, one or more fans are faulty. If this
situation occurs, contact your customer service representative for replacement parts.
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