Lenovo ThinkSystem SR550 Maintenance Manual

Also see for ThinkSystem SR550: Manual Manual Product guide Quick start guide Setup guide

• Ensure that the devices that you are installing are supported. For a list of supported optional devices forthe server, go to https://static.lenovo.com/us/en/serverproven/index.shtml.Notes:• Ensure that the two power supplies installed on the server have the same wattage.• If you are replacing the existing power supply with a new power supply of different wattage, attach thepower information label that comes with this option onto the existing label on the top cover near thepower supply.Figure 73. Hot-swap power supply label on the coverS035CAUTION:Never remove the cover on a power supply or any part that has this label attached. Hazardous voltage,current, and energy levels are present inside any component that has this label attached. There are noserviceable parts inside these components. If you suspect a problem with one of these parts, contacta service technician.S002CAUTION:The power-control button on the device and the power switch on the power supply do not turn off theelectrical current supplied to the device. The device also might have more than one power cord. Toremove all electrical current from the device, ensure that all power cords are disconnected from thepower source.S00198 ThinkSystem SR550 Maintenance Manual