IBM 9228 Service Guide - Page 152

System board error LEDs Figure 62 shows the locations of the error LEDs on the system board. Each error LED is lit to indicate a problem with a specific component. After a problem is corrected, the LED will not be lit the next time the computer is restarted. If the problem remains, the LED will continue to be lit. The error LEDs remain lit until the error log is cleared, this prevents spurious errors from going undetected. Microprocessor 2 error LED Microprocessor 1 error LED Rear fan error LED Microprocessor 1 fan error LED Slot 1, PCI-Express error LED Slot 2, PCI-Express error LED Slot 3, PCI-Express error LED Slot 4, PCI-X error LED Microprocessor 2 fan error LED DIMM 8 error LED DIMM 7 error LED DIMM 6 error LED DIMM 5 error LED DIMM 4 error LED DIMM 3 error LED DIMM 2 error LED DIMM 1 error LED DIMM fan error LED Hard disk drive fan error LED Expansion slot fan error LED Slot 6, PCI error LED Figure 62. System board error LED locations Slot 5, PCI-X error LED Table 8. System board error LED descriptions 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, Type 9228 and 9232," on page 19 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. LED Description Action DIMM fan DIMM fan has failed. 1. Reseat the DIMM fan cable. 2. Replace the following components one at a time, in the order shown, restarting the computer each time: a. DIMM fan b. (Trained service technician only) System board 134 IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide