Removing the controller
Procedure
1. Attach an ESD wristband to your wrist and the enclosure in which you are replacing the
controller.
2. Turn the captive screws counterclockwise to release the controller.
3. Remove the controller from its slot and place it on a clean, static-free surface.
Figure 36 Removing the controller
Installing the controller
Procedure
1.
Attach an ESD wristband to your wrist and the enclosure.
2. Gently insert the controller, being sure the controller is completely seated in the enclosure.
3. Secure the controller with the captive screws.
Removing and replacing FRUs
Dell EMC ES40 Expansion Shelf Guide Field Replacement Unit Guide 45