Appendix C. DSA messages
As you run Dynamic System Analysis, text messages are displayed on the screen
and are saved in the DSA log. A diagnostic text message indicates that a problem
has been detected and provides the action you should take as a result of the text
message.
The following table describes the messages that the diagnostic programs might
generate and suggested actions to correct the detected problems. Follow the
suggested actions in the order in which they are listed in the column.
Table 29. DSA messages
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 5, “Parts listing, System x3750 M4 Types 8722 and 8733,” on page 195 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.
Message
number Component Test State Description Action
166-801-xxx IMM2 IMM I
2
C Aborted IMM I
2
C
stopped. IMM
returned an
incorrect
response
length.
Note: Perform the actions one at a time
and try the test after each action. If the
failure remains, see Chapter 4,
“Troubleshooting,” on page 149 for more
information about corrective actions.
1. Turn off the system and disconnect it
from the power source. You must
disconnect the system from ac power
to reset the IMM.
2. After 45 seconds, reconnect the
system to the power source and turn
on the system.
3. Make sure that the DSA code is at the
latest level. For the latest level of
DSA code, go to http://
www.ibm.com/support/
docview.wss?uid=psg1SERV-DSA.
4. Make sure that the IMM firmware is
at the latest level. The installed
firmware level can be found at
http://www.ibm.com/support/
docview.wss?uid=psg1MIGR-4JTS2T.
For more information, see “Updating
the firmware” on page 123.
© Copyright IBM Corp. 2012 321
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