You can remove and replace power supply modules while the system is running.
Step 1
To remove a power supply module, face the back of the chassis and grasp the handle.
Step 2
Press the latch found on the lower right of the power supply to disengage the power supply.
Step 3
Place your other hand under the power supply module to support it while you slide it out of the chassis.
Figure 44: Remove the Power Supply Module
Cisco Firepower 4100 Series Hardware Installation Guide
68
Maintenance and Upgrades
Remove and Replace the Power Supply Module