IBM LS20 - BladeCenter - 8850 Service Manual page 61

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 8850," on page 53 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.
Error code Description
166-406-001 BMC indicates failure in I2C bus test.
166-407-001 System Management: Failed. BMC indicates
failure in I2C bus test.
166-nnn-001 System Management: Failed. BMC indicates
failure in self test.
Note: nnn = 300 to 320.
166-nnn-001 System Management: Failed. BMC indicates
failure in self test.
Note: nnn = 400 to 420, excluding 406 and
407.
180-xxx-000 Diagnostics LED failure.
180-xxx-001 Failed front LED panel test.
201-198-xxx Memory test aborted. See PC Doctor logs.
201-199-xxx Unexpected error. Test aborted. See PC
Doctor logs.
Action
1. Remove the blade server from the BladeCenter
unit, wait 30 seconds, reseat it in the BladeCenter
unit and run the test again.
2. Update the BMC firmware (see "Updating the
firmware" on page 85).
3. (Trained service technician only) Replace the
system board assembly.
1. Remove the blade server from the BladeCenter
unit, wait 30 seconds, reseat it in the BladeCenter
unit and run the test again.
2. Update the BMC firmware (see "Updating the
firmware" on page 85).
3. (Trained service technician only) Replace the
system board assembly.
1. Remove the blade server from the BladeCenter
unit, wait 30 seconds, reseat it in the BladeCenter
unit and run the test again.
2. Update the BMC firmware (see "Updating the
firmware" on page 85).
3. (Trained service technician only) Replace the
system board assembly.
1. Remove the blade server from the BladeCenter
unit, wait 30 seconds, reseat it in the BladeCenter
unit and run the test again.
2. Update the BMC firmware (see "Updating the
firmware" on page 85).
3. (Trained service technician only) Replace the
system board assembly.
Run the LED test in the diagnostics program.
1. Reseat the control-panel connector.
2. Replace the bezel assembly.
3. (Trained service technician only) Replace the
system board assembly.
1. Restart the server.
2. Run the diagnostic test again.
3. Reinstall the diagnostic program.
4. Refer to the error log for additional information.
1. Restart the server.
2. Run the diagnostic test again.
3. Reinstall the diagnostic program.
4. Refer to the error log for additional information.
47
Chapter 2. Diagnostics