Figure 78. Removing an AC PSU1 release latch 2 PSU cable connector3 PSU 4 power connector5 PSU handleRelated linksSafety instructionsBefore working inside your systemInstalling an AC power supply unitAfter working inside your systemInstalling an AC power supply unitPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team.Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.NOTE: The maximum output power (shown in watts) is listed on the PSU label.1 Follow the safety guidelines listed in the Safety instructions section.2 For systems that support redundant power supply units (PSUs), ensure that both the PSUs are of the same type and have the samemaximum output power3 If installed, remove the PSU blank.Steps1 Slide the new PSU into the chassis until the PSU is fully seated and the release latch snaps into place.NOTE: If you unlatched the cable management arm, relatch it. For information about the cable management arm, see therack documentation of your system.2 Connect the power cable to the PSU and plug the cable into a power outlet.CAUTION: When connecting the power cable, secure the cable with the strap.Installing and removing system components 145
