How to Replace PSU on PowerEdge R750

Discover the safe removal and installation of a power supply unit (PSU). Follow the release latch, power cable connection, and waiting period for PSU recognition. Prioritize safety and proper cable management for a seamless process.

Prerequisites
Follow the safety guidelines listed in the Safety instructions.
Disconnect the power cable from the power outlet and from the PSU you intend to remove.
Remove the cable from the strap on the PSU handle.
Unlatch and lift or remove the optional cable management accessory if it interferes with the PSU removal.
NOTE: For information about the cable management when the PSU is removed or installed while the system is in a rack, see the system’s cable management arm documentation at https://www.dell.com/poweredgemanuals.


Removing a power supply unit:
Press the release latch and holding the PSU handle, slide the PSU out of the bay.

Installing a power supply unit:
Slide the PSU into the PSU bay until the release latch snaps into place.

If you have unlatched or removed the cable management accessory, re-install or relatch it. For information about the cable management when the PSU is removed or installed while the system is in the rack, see the system’s cable management accessory documentation at https://www.dell.com/poweredgemanuals.
Connect the power cable to the PSU, and plug the cable into a power outlet.
CAUTION:When connecting the power cable to the PSU, secure the cable to the PSU with the strap.
NOTE:When installing, hot swapping, or hot adding a new PSU, wait for 15 seconds for the system to recognize the PSU and determine its status. The PSU redundancy may not occur until discovery is complete. The PSU status indicator turns green to indicate that the PSU is functioning properly.