Note: See “System” on page 94 to determine which components should be replaced by a field service technician.Error code/symptom FRU/action166-201-003 System Management: Failed(I2C bus error(s) See SERVPROC andDIAGS entries in event log.)1. I/O adapter2. System board166-201-004 System Management: Failed(I2C bus error(s) See SERVPROC andDIAGS entries in event log.)1. SCSI storage expansion unit2. System board166-201-005 System Management: Failed(I2C bus error(s) See SERVPROC andDIAGS entries in event log.)1. DIMMs2. Microprocessors3. System board166-342-000 System Management: Failed(ASM adapter BIST indicate failed tests.) 1. Ensure the latest firmware levels for Remote SupervisorAdapter and BIOS are installed.2. Power down blade server and reseat it in chassis.3. Remote Supervisor Adapter.166-400-000 System Management: Failed(ISMP self test result failed tests: x where x= Flash, RAM, or ROM.)1. Reflash or update firmware for ISMP.2. System board.180-XXX-000 (Diagnostics LED failure) v Run diagnostics panel LED test for the failing LED.180-XXX-001(Failed front LED panel test) 1. Front bezel with customer interface card2. System board180-XXX-002(Failed diagnostics LED panel test) v System board180-XXX-003(Failed system board LED test) v System board180-XXX-005(Failed SCSI backplane LED test) 1. SCSI storage expansion unit2. System board201-XXX-0nn(Failed memory test.) 1. DIMM Location slots 1-4 where nn = DIMM location.Note: nn 1=DIMM 1; 2=DIMM 2; 3=DIMM 3; 4=DIMM 4.2. System board.202-XXX-001(Failed system cache test) 1. Microprocessor 12. System board202-XXX-002(Failed system cache test) 1. Microprocessor 22. System board217-198-XXX(Could not establish drive parameters) v SCSI storage expansion unit217-XXX-000(Failed hard disk drive test)Note: If RAID is configured, the hard diskdrive number refers to the RAID logicalarray.v Hard disk drive 1217-XXX-001(Failed hard disk test)Note: If RAID is configured, the hard disknumber refers to the RAID logical array.v Hard disk drive 270 BladeCenter HS20 Type 8832: Hardware Maintenance Manual and Troubleshooting Guide