Lenovo ThinkSystem SR645 V3 User Manual page 111

Safety information for DC power supplies
CAUTION:
240 V dc input (input range: 180-300 V dc) is supported in Chinese Mainland ONLY. Power supply with
240 V dc input cannot support hot plugging power cord function. Before removing the power supply
with dc input, please turn off server or disconnect dc power sources at the breaker panel or by turning
off the power source. Then, remove the power cord.
NEVER CONNECT AND DISCONNECT THE POWER SUPPLY CABLE AND EQUIPMENT WHILE YOUR
EQUIPMENT IS POWERED ON WITH DC SUPPLY (hot-plugging). Otherwise you may damage the
equipment and result in data loss, the damages and losses result from incorrect operation of the equipment
will not be covered by the manufacturers' warranty.
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.
S019
CAUTION:
The power-control button on the device does not turn off the electrical current supplied to the device.
The device also might have more than one connection to dc power. To remove all electrical current
from the device, ensure that all connections to dc power are disconnected at the dc power input
terminals.
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Chapter 5 Hardware replacement procedures
101