Power Off and Disconnect Components

1. Shut down and power off components that are adjacent to the PDU.
2. Switch off the main power circuit breakers to all PDU inputs.

   These are the main power breakers to the room or building outlets that supply power to the PDUs.

3. Disconnect the faulty PDU's main power cords from their AC power sockets.
4. Provide access to the components.

   See Provide Access to a PDU.

Related Information

• Troubleshoot the Fault and Follow Safety Precautions

• Identifying Component Locations and Slot Numbers

• Remove a PDU

• Install a Replacement PDU

• Connect and Install Adjacent Components

• Power On the System