v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 8863,” on page 105 to determine which components are customerreplaceable 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.Error code Description Action180-xxx-001 Failed front LED panel test. 1. Reseat the following components:a. (Trained service technician only) Operatorinformation panelb. I/O boardc. Microprocessor tray2. Replace the following components one at a time,in the order shown, restarting the server eachtime.a. (Trained service technician only) Operatorinformation panelb. I/O boardc. (Trained service technician only)Microprocessor tray180-xxx-002 Failed diagnostics LED panel test. 1. Reseat the following components:a. (Trained service technician only) Operatorinformation panelb. I/O boardc. Microprocessor tray2. Replace the following components one at a time,in the order shown, restarting the server eachtime.a. (Trained service technician only) Operatorinformation panelb. I/O boardc. (Trained service technician only)Microprocessor tray180-xxx-005 Failed SCSI backplane LED test. 1. Reseat the following components:a. SAS hard disk drive backplane cableb. I/O boardc. Microprocessor tray2. Replace the following components one at a time,in the order shown, restarting the server eachtime.a. SAS hard disk drive backplane cableb. SAS hard disk drive backplanec. I/O boardd. (Trained service technician only)Microprocessor tray84 IBM xSeries 366 Type 8863: Problem Determination and Service Guide