IBM x3655 Service Guide - Page 187

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 4, "Parts listing, System x3655, Type 7985," on page 97 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. BMC log message Sensor Sensor number type Action Fan 6 tach 45 04 1. Reseat fan 6. 2. Replace fan 6. 3. (Trained service technician only) Replace the system board. Power supply 4F 0A Make sure that the power supplies are installed in the correct configuration error order and that the power supplies are operating properly. Fan 1 detected 50 04 Replace or install the fan. Assertion 00 (Not detected) Fan 1 detected 50 04 Information only Assertion 01 (Presence detected) Fan 2 detected 51 04 Replace or install the fan. Assertion 00 (Not detected) Fan 2 detected 51 04 Information only Assertion 01 (Presence detected) Fan 3 detected 52 04 Replace or install the fan. Assertion 00 (Not detected) Fan 3 detected 52 04 Information only Assertion 01 (Presence detected) Fan 4 detected 53 04 Replace or install the fan. Assertion 00 (Not detected) Fan 4 detected 53 04 Information only Assertion 01 (Presence detected) Fan 5 detected 54 04 Replace or install the fan. Assertion 00 (Not detected) Fan 5 detected 54 04 Information only Assertion 01 (Presence detected) Chapter 5. Diagnostics 169