Cisco Catalyst 9400 Series

Step 2 Check the power supply and system status from the system console by entering show power command in
privileged EXEC mode.
Switch# show power
Step 3 If the LEDs or show power privileged EXEC command output indicate a power problem or other system
problem, see the Troubleshooting a Power Supply Module, on page 132 section for more information.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
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Removing and Replacing FRUs
Verifying the Power Supply Module Installation