Lenovo x3550 M4 Installation And Service Manual page 283

Table of Contents

1. Read the safety information that begins on "Safety" on page vii and

"Installation guidelines" on page 33.

2. If only one power supply is installed, turn off the server and peripheral

devices and disconnect all power cords.

3. If the server is in a rack, at the back of the server, pull back the cable

management arm to gain access to the rear of the server and the power

4. Press and hold the release tab to the left. Grasp the handle and pull the

power supply out of the server.

Figure 168. Power supply removal

If you are instructed to return the power supply, follow all packaging

instructions, and use any packaging materials for shipping that are supplied to

Replacing a power supply

Use this information to replace a power supply.

Replacing a hot-swap ac power supply:

Use this information to replace a hot-swap ac power supply.

About this task

The following notes describe the type of power supply that the server supports

and other information that you must consider when you install a power supply:

v Before you install an additional power supply or replace a power supply with

one of a different wattage, you may use the Power Configurator utility to

determine current system power consumption. For more information and to

download the utility, go to http://www.ibm.com/systems/bladecenter/

resources/powerconfig.html.

Chapter 6. Removing and replacing components

Troubleshooting