IBM XSERIES 255 TYPE 8685 Hardware Maintenance Manual And Troubleshooting Manual page 146

Note: See "System" on page 160 to determine which components should be replaced by a field service technician.
Error code/symptom
166-201-003 System Management: Failed
(I2C bus error(s) See SERVPROC and
DIAGS entries in event log.)
166-201-004 System Management: Failed
(I2C bus error(s) See SERVPROC and
DIAGS entries in event log.)
166-201-005 System Management: Failed
(I2C bus error(s) See SERVPROC and
DIAGS entries in event log.)
166-250-000 System Management: Failed
(I2C cable is disconnected. Reconnect I2C
cable between Remote Supervisor Adapter
and system board.)
166-260-000 System Management: Failed
(Restart ASM Error. After restarting, ASM
communication was lost. Unplug and cold
boot to reset ASM.)
166-342-000 System Management: Failed
(ASM adapter BIST indicate failed tests.)
166-400-000 System Management: Failed
(ISMP self test result failed tests: x where x
= Flash, RAM, or ROM.)
180-197-000
(SCSI ASPI driver not installed)
180-361-003
(Failed fan LED test)
180-xxx-000 (Diagnostics LED failure)
180-xxx-001
(Failed front LED panel test)
180-xxx-002
(Failed diagnostics LED panel test)
180-xxx-003
(Failed system board LED test)
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
1. Reseat cables between the system board and the power supply
or power backplane.
2. Power backplane.
3. System board.
1. DASD backplane
2. System board
1. Reseat Memory DIMMs.
2. Reseat microprocessors.
3. Memory DIMMs.
4. Memory card.
5. Microprocessors.
6. System board.
1. Reseat I2C cable between the Advanced System Management
Adapter (in PCI slot 1/J26 and the system board (J16).
2. I2C cables.
3. Advanced System Management adapter.
4. System board.
1. Disconnect all server and option power cords from the server,
wait 30 seconds, reconnect, and retry.
2. Reseat the Remote Supervisor Adapter (in PCI slot 1/J26).
3. Remote Supervisor Adapter.
1. Ensure the latest firmware levels for Remote Supervisor
Adapter and BIOS.
2. Disconnect all server and option power cords from server, wait 30
seconds, reconnect, and retry.
3. Remote Supervisor Adapter.
1. Reflash or update firmware for ISMP.
2. System board.
1. Remove RAID adapter, if installed, and rerun test.
2. System board.
1. Fan(s)
2. System board
v Run diagnostics panel LED test for the failing LED.
1. Operator information panel
2. System board
1. Diagnostics panel
2. System board
v System board