Error Code/Symptom FRU/Action166-400-000 System Management: FailedSystem management hardware on systemboard failed) (ISMP Self Test Result failedtests: x where x = Flash, RAM, or ROM.)1. Re-flash or Update firmware for ISMP2. System board180-XXX-000 (Diagnostics LED failure) 1. Run Diagnostic LED test for the failing LED.180-XXX-001 (Failed Front LED panel test) 1. Front LED Panel2. Power Switch3. Assembly180-XXX-002 (Failed Diagnostics LED Paneltest) 1. System Board2. Power Switch3. Assembly180-361-003 (Failed Fan LED test) 1. Fan(s)2. System Board180-XXX-003 (Failed System Board LEDtest) 1. System Board180-XXX-005 (Failed SCSI Backplane LEDtest) 1. SCSI Backplane2. SCSI Backplane Cable3. System Board201-XXX-0NN (Failed Memory test, see″Memory Settings″ on page 32) 1. DIMM Location slots 1-4 where NN = DIMM location.Note: NN=1=DIMM 1 =2=DIMM 2 =3=DIMM 3 =4=DIMM 42. System Board201-XXX-999 (Multiple DIMM failure, seeerror text) 1. See error text for failing DIMMs2. System Board202-XXX-001 (Failed System Cache test) 1. VRM 12. Microprocessor 1202-XXX-002 (Failed System Cache test) 1. VRM 22. Microprocessor 2206-XXX-000 (Failed Diskette Drive test) 1. Cable2. Diskette Drive3. System Board215-XXX-000 (Failed IDE CD-ROM test) 1. CD-ROM Drive Cables2. CD-ROM Drive3. System Board217-198-XXX (Could not establish driveparameters) 1. Check cable and termination2. SCSI Backplane3. Fixed Disk217-XXX-000 (Failed BIOS Fixed Disk test)Note: If RAID is configured, the fixed disknumber refers to the RAID logical array1. Fixed Disk 1217-XXX-001 (Failed BIOS Fixed Disk test)Note: If RAID is configured, the fixed disknumber refers to the RAID logical array1. Fixed Disk 288 Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG