Remove The Power Distribution Board Of The Hot-Swap Power Supply - Lenovo ThinkSystem ST250 V2 Maintenance Manual

• Ensure that all cables are routed through the correct cable clips.
• As the processor power connectors on the power distribution board may look similar in
appearance, make sure that the power supply processor power cable and the processor power
cable are routed correctly. See the cable routing section of "Fixed power supply" on page 67.
After this task is completed
Complete the parts replacement. See "Complete the parts replacement" on page 217.

Remove the power distribution board of the hot-swap power supply

Follow instructions in this section to remove the power distribution board of the hot-swap redundant power
supply.
About this task
To avoid potential danger, read and follow the following safety statements.
• 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.
Attention:
• Read the "Installation guidelines" on page 85 to ensure that you work safely.
ThinkSystem ST250 V2 Maintenance Manual
166