Dell EMC PowerEdge R7515, Installation And Service Manual

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Removing a power supply unit blank
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions on page 43.
Steps
Pull the blank out of the system.
CAUTION: To ensure proper system cooling, the power supply unit blank must be installed in the second power supply
unit bay in a non-redundant configuration. Remove the power supply unit blank only if you are installing a second power
supply unit.
Figure 118. Removing a power supply unit blank
Next steps
1. Replace the power supply blank or install the power supply unit .
Removing a power supply unit
Prerequisites
CAUTION: The system requires 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.
1. Follow the safety guidelines listed in the Safety instructions on page 43.
2. Disconnect the power cable from the power outlet and from the PSU you intend to remove.
3. Remove the cable from the strap on the PSU handle.
4. Unlatch and lift the optional cable management arm if it interferes with the PSU removal.
For information about the cable management arm, see the system’s rack documentation at www.dell.com/poweredgemanuals .
Steps
Press the release latch, and holding the PSU handle slide the PSU out of the PSU bay.
128 Installing and removing system components