IBM 436854u Service Guide - Page 210

Table 9. DSA diagnostic messages (continued) 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, System x3200 M2 Types 4367 and 4368," on page 33 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 166-902-xxx BMC BMC I2C Test Failed BMC indicates a failure in the sensor bus 1. Turn off the system and disconnect it from the power source. You must disconnect the system from ac power to reset the BMC. 2. After 45 seconds, reconnect the system to the power source and turn on the system. 3. Run the test again. 4. 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=psg1SERVDSA. 5. Make sure that the BMC firmware is at the latest level. The installed firmware level is shown in the DSA event log in the Firmware/VPD section for this component. For the latest level of firmware, go to http://www.ibm.com/ support/docview.wss?uid=psg1 MIGR-4JTS2T and select your system to display a matrix of available firmware. 6. Run the test again. 7. Remove power from the system. 8. (Trained service technician only) Reseat the system board. 9. Reconnect the system to power and turn on the system. 10. Run the test again. 11. If the problem remains, collect the data from the DSA event log and send it to IBM Service. For information about contacting and sending data to IBM Service, see http://www.ibm.com/support/ docview.wss?uid=psg1SERV-CALL. 192 System x3200 M2 Types 4367 and 4368: Problem Determination and Service Guide