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Replacing the power supply assembly
Attention:
Do not open your server or attempt any repair before reading and understanding the Safety Information and the
Warranty and Support Information on the ThinkServer Documentation DVD that came with your product, and
“Guidelines” on page 39
. To obtain a copy of the publications, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the power supply assembly.
When you replace the power supply assembly, observe the following precaution.
Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following 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.
To replace the power supply assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 43.
3. Depending on your server model, do one of the following.
• For server models with hot-swap hard disk drives, remove all hot-swap hard disk drives to gain
access to the hot-swap hard disk drive backplanes. See “Removing a hot-swap hard disk drive” on
page 57. Then, disconnect all power supply assembly cables (hereafter referred to as power cables)
from the power connectors on the backplanes.
• For server models with non-hot-swap hard disk drives, go to step 4 on page 118.
4. Disconnect the power cables from all drives, PCI card(s) if necessary, and the system board. Then,
release the power cables from any cable clips or ties.
Note: The power cables are part of the power supply assembly. Do not try to remove or disconnect the
power cables from the power supply assembly.
5. Note the routing of the power cables and then carefully pull the power cables out of any holes in the
chassis. Put the power cables together so that they will not impede any operation when you remove the
power supply assembly from the server.
118 ThinkServer TD230 Hardware Maintenance Manual