Lenovo 4011 Server User Manual


 
4. Disconnect the power cables from connectors 3 , 4 , and 5 on the system board, and from connectors
1 and 2 on the backplane.
Figure 46. Disconnecting the power cables
5. Disconnect the power cables from any other cards or devices.
Note: The power cables are part of the power supply. Do not try to remove or disconnect the power
cables from the power supply.
6. Carefully lift the power supply out of the server.
7. If you are instructed to return the power supply, follow all packaging instructions and use any packaging
materials that are supplied to you for shipping.
What to do next:
To install a new power supply, see “Installing the power supply” on page 57.
To work with another piece of hardware, go to the appropriate section.
Installing the power supply
Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information”
on page iii
and “Guidelines” on page 17.
This section provides instructions on how to install the power supply.
When you install a power supply, observe the following precautions.
Chapter 5. Installing, removing, or replacing hardware 57