Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement
1030
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Before you begin
If you are performing this task in a system that is powered on, enable the service mode first. See Enabling the
Service Mode Before Removing the Fan Tray, on page 80
You may also need a Phillips-head screwdriver to loosen the captive installation screws.
Procedure
Step 1 Have the replacement fan tray ready by removing it from the shipping packaging. Keep it on an anti-static
mat and within arm's reach. Do not detach the adapter module.
When you remove and replace the fan tray in a system that is powered on, there is a time constraint.
The system can safely run without a fan tray only for 2 minutes. So it is important to complete this
first step before you remove the fan tray from the rear of the chassis.
Important
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
85
Removing and Replacing FRUs
Removing the Fan Tray from the Rear
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