Installing a Fan Module
Caution You should replace the fan module within 5 minutes to avoid overheating the controller.
Step 2 Install the fan module in the fan slot, and firmly push it into the slot, applying pressure to the end of the module, not the extraction handles. When correctly inserted, the fan module is flush with the controller rear panel. When the fan is operating, a green LED is on in the top left corner of the fan. See Figure 15.
Warning Do not reach into a vacant slot when installing or removing a module. Exposed circuitry is an energy hazard. Statement 206
Figure 15 Installing the Fan Module
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Fan LED
Finding the Fan Module Serial Number
If you contact Cisco Technical Assistance regarding a fan module, you need to know the fan module serial number. See Figure 16 for the serial number location.
Cisco 5700 Series Wireless Controller Installation Guide
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