Optional-Device Problems; Power Problems - Lenovo ThinkServer RD120 Hardware Maintenance Manual

Optional-device problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, ThinkServer RD120 Machine Types 6444, 6445, 6446, and 6447," on page 25
to determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
A Lenovo optional device that
was just installed does not
work.
A Lenovo optional device that
used to work does not work
now.

Power problems

Attention:
Lenovo service technicians are authorized to connect or disconnect power to the dc
power supply. See the documentation that comes with each dc power supply.
Action
1. Make sure that:
v The device is designed for the server (see http://www.lenovo.com/
accessories/).
v You followed the installation instructions that came with the device and the
device is installed correctly.
v You have not loosened any other installed devices or cables.
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect
power to the dc power supply. See the documentation that comes with each
dc power supply.
v You updated the configuration information in the Configuration/Setup Utility
program. Whenever memory or any other device is changed, you must
update the configuration.
2. Reseat the device that you just installed.
3. Replace the device that you just installed.
1. Make sure that all of the hardware and cable connections for the device are
secure.
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect power
to the dc power supply. See the documentation that comes with each dc power
supply.
2. If the device comes with test instructions, use those instructions to test the
device.
3. Reseat the failing device.
4. Follow the instructions for device maintenance, such as keeping the heads
clean, and troubleshooting in the documentation that comes with the device.
5. Replace the failing device.
In a dc power environment, only trained service personnel other than
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Chapter 5. Diagnostics