Replacing A 2 (Ru) Fan Module - Cisco Nexus 3400 Series Hardware Installation Manual

Replacing a 2 (RU) Fan Module

Step 2
Remove the fan module that you are replacing as follows:
a) On the fan module that you are removing, press the two sides of the fan module handle next to where it connects to
the fan module and pull on the handles enough to unseat the module from its connectors.
b) Holding the handle, pull the module out of the chassis and set it on an antistatic surface or in a antistatic bag.
Do not touch the electrical connectors on the back side of the module and prevent anything else from coming
Caution
into contact with and damaging the connectors.
Step 3 Install the replacement fan module as follows:
a) Holding the fan module by its handle, align the back of the fan module (the side with the electrical connectors) to
the open fan slot in the chassis.
b) Slide the fan module into the slot until it clicks in place.
c) Verify that the Status (STS) LED turns on and becomes green.
Replacing a 2 (RU) Fan Module
The fan module is designed to be removed and replaced while the system is operating without causing an
electrical hazard or damage to the system if the replacement is performed within one minute.
If you do not have the appropriate replacement fan module, leave the original fan module in its slot to preserve
the designed airflow for the switch until you have the replacement fan module. The module number can be
found on the chassis.
Warning Statement 263 Fan Warning
The fans might still be turning when you remove the fan assembly from the chassis. Keep fingers, screwdrivers,
and other objects away from the openings in the fan assembly's housing.
Before you begin
• Verify that you have an ESD wrist strap or other device to prevent ESD damage for components that
• Verify that you have an antistatic surface or bag for placing the fan module that you remove from the
• Verify that the replacement fan module has the correct direction of airflow (it has the same coloring as
Step 1
Remove the fan module that you are replacing as follows:
a) Loosen the captive screws on the fan module by turning them counterclockwise, using a flat-blade or number 1
Phillips screwdriver if required.
b) Grasp the captive screws of the fan module and pull it outward.
c) Pull the fan module clear of the chassis and set it on an antistatic surface or repack it in packing materials.
Step 2 Install the replacement fan module as follows:
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you touch.
chassis.
the other fan and power supply modules in the same chassis).
Replacing Modules