Cisco Catalyst 9400 Series Hardware Installation Manual page 134

Verifying the Power Supply Module Installation
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
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
128
Troubleshooting a Power Supply Module, on page 132
Removing and Replacing FRUs
section for more information.