GUID-907B0CC3-44BB-4C48-B53C-3FF8D527016E
Installing the power supply unit blank
Install the power supply unit (PSU) blank only in the second PSU bay.
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only 
perform troubleshooting and simple repairs 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 instructions 
that are shipped with your product.
1. Follow the safety guidelines listed in the Safety instructions section.
Steps
Align the power supply unit blank with the power supply unit slot and push it into the power supply 
unit slot until it clicks into place.
Figure 59. Installing the PSU blank
1. PSU blank 2. PSU bay
GUID-A5270B5C-2E81-4F3D-B936-5A6211BC48B5
Removing an AC power supply unit
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only 
perform troubleshooting and simple repairs 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 instructions 
that are shipped with your product.
CAUTION: The system needs one power supply unit (PSU) for normal operation. On power-
redundant systems, remove and replace only one PSU at a time in a system that is powered on.
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