Power Problems - Lenovo NeXtScale nx360 M5 Installation And Service Manual

Table 12. Optional-device problems and actions
Symptom
A Lenovo optional device that
was just installed does not
work.
A Lenovo optional device that
worked previously does not
work now.

Power problems

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by '(Trained technician only)', that step must be performed only by a Trained
technician.
• Go to the Lenovo support website at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Action
1. Make sure that:
• The device is designed for the server (see http://www.lenovo.com/
serverproven/).
• You followed the installation instructions that came with the device and the
device is installed correctly.
• You have not loosened any other installed devices or cables.
• You updated the configuration information in the Setup utility. 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 cable connections for the device are secure.
2. If the device comes with test instructions, use those instructions to test the
device.
3. Reseat the failing device.
4. Replace the failing device.
.
Chapter 4 Troubleshooting
75