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You can also choose to collect data manually. It uses minimal system resources, and can be downloaded
from the Lenovo website. For more information and to download Electronic Service Agent, go to
01.ibm.com/support/esa/
Error messages
This section provides the list of error codes and messages for UEFI/POST, IMM2, and DSA that are
generated when a problem is detected.
See
Appendix B "UEFI/POST diagnostic codes" on page
II (IMM2) error messages" on page
information.
Troubleshooting by symptom
Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.
If you cannot find a solution to the problem in these tables, see
page 547
for information about testing the server and
127
for additional information about running DSA Preboot program. For additional information to help you
solve problems, see
"Start here" on page
If you have just added new software or a new optional device and the server is not working, complete the
following steps before you use the troubleshooting tables:
Step 1.
Check the system-error LED on the front information panel; if it is lit, check the light path
diagnostics LEDs (see
Step 2.
Remove the software or device that you just added.
Step 3.
Run Dynamic System Analysis (DSA) to determine whether the server is running correctly (for
information about using DSA, see
Step 4.
Reinstall the new software or new device.
General problems
Table 14. General symptoms and actions
• 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
tips, and new device drivers or to submit a request for information.
Symptom
A cover latch is broken, an LED
is not working, or a similar
problem has occurred.
The server is hung while the
screen is on. Cannot start the
Setup utility by pressing F1.
.
313, and
Appendix C "DSA diagnostic test results" on page 547
109.
"Light path diagnostics" on page
Appendix C "DSA diagnostic test results" on page
http://www.lenovo.com/support
Action
If the part is a CRU, replace it. If the part is a microprocessor or the system board,
the part must be replaced by a trained technician.
1. See
"Nx-boot failure" on page 153
2. See
"Recovering the server firmware (UEFI update failure)" on page 150
more information.
533,
Appendix A "Integrated management module
Appendix C "DSA diagnostic test results" on
"Running DSA Preboot diagnostic programs" on page
115).
to check for technical information, hints,
for more information.
http://www-
for more
547).
for
.
Chapter 4
Troubleshooting
129
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Table of Contents
Troubleshooting
