Removing A Power Supply Unit - Dell PowerEdge R450 Installation And Service Manual

Figure 95. Installing a power supply unit blank

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
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 https://www.dell.com/poweredgemanuals.
Steps
Press the release latch, and holding the PSU handle slide the PSU out of the PSU bay.
Figure 96. Removing a power supply unit
Next steps
Replace the PSU or install the PSU
92 Installing and removing system components
Safety instructions.
blank.