Removing And Replacing A Power Supply - HPE Apollo 4200 Gen10 Maintenance And Service Manual

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To replace the component, reverse the removal procedure.

Removing and replacing a power supply

WARNING: To reduce the risk of electric shock or damage to the equipment:
Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
Unplug the power cord from the power supply to disconnect power to the equipment.
Do not route the power cord where it can be walked on or pinched by items placed against it. Pay particular
attention to the plug, electrical outlet, and the point where the cord extends from the system.
WARNING: To reduce the risk of personal injury, fire, or damage to the equipment, do not overload the AC supply
branch circuit that provides power to the rack. Consult the electrical authority having jurisdiction over wiring and
installation requirements of your facility.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system components
to cool before touching them.
CAUTION: To prevent damage to electrical components, properly ground the system before beginning any installation
procedure. Improper grounding can cause electrostatic discharge.
CAUTION: Always install a power supply blank into each bay to maintain proper airflow and cooling in the power
enclosure. Improper airflow can lead to thermal damage.
IMPORTANT: Mixing different types of power supplies in the same system might limit or disable some power supply
features including support for power redundancy. To ensure access to all available features, all power supplies in the
same system should have the same output and efficiency ratings.
Procedure
1. If the system is using a single power supply only, remove all power from the system:
Removal and replacement procedures
56

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