Removing And Replacing The Power Distribution Board; Removing The Power Distribution Board; Removing And Replacing The Hot-Swappable Power Supply - HP Integrity rx4640 Service Manual

Figure 4-40 Removing and Replacing the Hot-swappable Power Supply

Removing and Replacing the Power Distribution Board

These procedures detail how to remove and replace the power distribution board in the server.
The power distribution board is attached to the rear power supply cage, underneath the
hot-swappable power supply fan unit.
WARNING!
from the server prior to removing or replacing the power distribution board.
Voltages are present at various locations within the server whenever an AC power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION:
behavior or server failure. For assistance with this procedure contact your local HP Authorized
Service Provider.
Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD safety
precautions can result in damage to the server.

Removing the Power Distribution Board

To remove the power distribution board, follow these steps:
1. If rack mounted, slide the HP server out from the rack until it stops. See
Server From the Rack" (page
Ensure that the server is powered off and all power sources have been disconnected
Failure to properly complete the steps in this procedure results in erratic server
31).
Removing and Replacing the Power Distribution Board
"Extending the
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