Lenovo 7D7Q, Руководство по обслуживанию

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After you finish
1. Install the top cover. See “Install the top cover” on page 134 .
2. Complete the parts replacement. See “Complete the parts replacement” on page 140 .
Power supply unit replacement
Use this procedure to install or remove the fixed power supply unit.
Remove the fixed power supply unit
Use this information to remove the fixed power supply unit.
About this task
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.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also 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.
S035
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ThinkSystem SR250 V2 Maintenance Manual