Removing A Power Supply Unit; Installing A Power Supply Unit - Dell EMC PowerEdge R440 Manuel D'installation Et D'entretien

Removing a power supply unit

Prerequisites
CAUTION: The système needs one power supply unit (PSU) for normal operation. On power-redundant systèmes,
remove and replace only one PSU at a time in a système that is powered on.
1. Follow the safety guidelines listed in
2. Disconnect the power cable from the power source and from the PSU you intend to remove, and then remove the cable from the
strap on the PSU handle.
3. 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 slide the PSU out of the system by using the PSU handle.
Figure 97. Removing a power supply unit
Next steps
Install the PSU.

Installing a power supply unit

Prerequisites
1. Follow the safety guidelines listed in
2. For systèmes that support redundant PSU, ensure that both the PSUs are of the same type and have the same maximum output
power.
NOTE: la puissance de sortie maximale (en watts) est indiquée sur l'étiquette du bloc d'alimentation.
Steps
Slide the PSU into the system until the PSU is fully seated and the release latch snaps into place.
128 Installation et retrait des composants du système
Safety instructions
Safety instructions