Appendix C. DSA messagesAs you run Dynamic System Analysis, text messages are displayed on the screenand are saved in the DSA log. A diagnostic text message indicates that a problemhas been detected and provides the action you should take as a result of the textmessage.The following table describes the messages that the diagnostic programs mightgenerate and suggested actions to correct the detected problems. Follow thesuggested actions in the order in which they are listed in the column.Table 29. DSA messagesv Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v See Chapter 5, “Parts listing, System x3750 M4 Types 8722 and 8733,” on page 195 to determine whichcomponents 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 aTrained service technician.Messagenumber Component Test State Description Action166-801-xxx IMM2 IMM I2C Aborted IMM I2Cstopped. IMMreturned anincorrectresponselength.Note: Perform the actions one at a timeand try the test after each action. If thefailure remains, see Chapter 4,“Troubleshooting,” on page 149 for moreinformation about corrective actions.1. Turn off the system and disconnect itfrom the power source. You mustdisconnect the system from ac powerto reset the IMM.2. After 45 seconds, reconnect thesystem to the power source and turnon the system.3. Make sure that the DSA code is at thelatest level. For the latest level ofDSA code, go to http://www.ibm.com/support/docview.wss?uid=psg1SERV-DSA.4. Make sure that the IMM firmware isat the latest level. The installedfirmware level can be found athttp://www.ibm.com/support/docview.wss?uid=psg1MIGR-4JTS2T.For more information, see “Updatingthe firmware” on page 123.© Copyright IBM Corp. 2012 321
