Lenovo ThinkServer TS430 Hardware Maintenance Manual page 162

Machine types: 0387, 0388, 0389, 0390, 0391, 0392, 0393, and 0441
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This topic provides instructions on how to replace a hot-swap redundant power supply.
This topic applies only to server models that come with one or two hot-swap redundant power supplies. For
each hot-swap redundant power supply, there might be one or two status LEDs on the power supply near
the power cord connector. When the green LED is lit, it indicates that the hot-swap redundant power supply
is working properly. When the red LED is lit, it indicates that the hot-swap redundant power supply has failed.
The hot-swap redundant power supplies help you avoid significant interruption to the operation of the
system when a power supply fails and you can replace a hot-swap redundant power supply without
turning off the server.
Note: To maintain the EMI integrity and cooling of the server, install a new hot-swap redundant power
supply as soon as you remove the failing one or cover the other bay with a shield if you just use one power
supply to provide power.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
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.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Notes:
1. Your hot-swap redundant power supply might look slightly different from the illustrations in this topic.
2. Use any documentation that comes with the new hot-swap redundant power supply and follow those
instructions in addition to the instructions in this topic.
To replace a hot-swap redundant power supply, do the following:
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ThinkServer TS430 Hardware Maintenance Manual

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