Figure 56. Removing and installing the power supply blank1. power supply blank 2. power supply bayInstalling the power supply unit blankInstall the power supply unit blank only in the second power supply unit bay.To install the power supply unit blank, align the blank with the power supply unit bay and push it intothe chassis until it clicks into place.Removing an AC power supply unitPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.CAUTION: The system requires one power supply for normal operation. On power-redundantsystems, remove and replace only one power supply at a time in a system that is powered on.NOTE: You may have to unlatch and lift the optional cable management arm if it interferes withpower supply removal. For information about the cable management arm, see the system’s rackdocumentation.Steps1. Disconnect the power cable from the power source and from the power supply unit you intend toremove and remove the cables from the strap.2. Press the release latch and slide the power supply unit out of the chassis.123
