Dell PowerEdge R320 Systems Owner's Manual

Removing The Power Distribution Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

NOTE: The power distribution board is present only in systems that support redundant power supplies.

If installed, remove the front bezel.
Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals.
Open the system.
Remove the power supplies from the system.
Remove the PDB shroud.
Disconnect the power distribution cables from the system board.
Disconnect the fan cable.
Remove the two screws securing the power distribution board to the chassis and lift the board out of the chassis.
Figure 1. Removing and Installing the Power Distribution Board
1. screws (2)
2. power supply cables to the system board (3)
3. power supply cable to the hard-drive backplane
4. standoffs (2)
5. power distribution board
6. fan cable connector