Replacing Modules; Replacing A Fan Tray - Cisco Nexus 3000 Series Hardware Installation Manual

Replacing Modules

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Replacing a Fan Tray

The fan tray 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 tray, leave the original fan tray in its slot to preserve the
designed airflow for the switch until you have the replacement fan module.
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.
To replace a fan tray, follow these steps:
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 tray has the correct direction of airflow (it has the same coloring as the
Step 1
Remove the fan tray that you are replacing as follows:
Replacing a Fan Tray, on page 59
Replacing a 1 (RU) Fan Module, on page 60
Replacing a 2 (RU) Fan Module, on page 61
Replacing an AC Power Supply, on page 62
Replacing a DC Power Supply, on page 63
you touch.
chassis.
other fan and power supply modules in the same chassis).
C H A P T E R
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