Lenovo ThinkSystem SR665 V3 User Manual page 179

S001
DANGER
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
• Connect all power cords to a properly wired and grounded electrical outlet/source.
• Connect any equipment that will be attached to this product to properly wired outlets/sources.
• When possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or structural damage.
• The device might have more than one power cord, to remove all electrical current from the
device, ensure that all power cords are disconnected from the power source.
Safety precautions for DC power supplies
The following tips describe the information that you must consider when you replace a DC power supply.
CAUTION:
240 V DC input (input range: 180-300 V) is supported in Chinese Mainland ONLY.
Perform the following steps to safely remove the power cord of one 240 V DC power supply unit. Otherwise,
there can be data loss and other damages to the equipment. Damages and losses resulting from inappropriate
operations will not be covered by the manufacturer's warranty.
1. Turn off the server.
2. Disconnect the power cord from the power source.
3. Disconnect the power cord from the power supply unit.
S035
CAUTION:
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 no serviceable parts
inside these components. If you suspect a problem with one of these parts, contact a service technician.
.
Chapter 5 Hardware replacement procedures
169