IBM 8853L6U Service Manual page 117

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, Types 1885 and 8853," on page 15 to determine which components are CRUs
and which components are FRUs.
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
089-xxx-00n Failed microprocessor test.
166-403-001 System Management: Failed (BMC indicates
failure in I2C bus test)
166-404-001 System Management: Failed (BMC indicates
failure in I2C bus test)
166-405-001 System Management: Failed (BMC indicates
failure in I2C bus test)
Action
1. (Trained service technician only) Reseat
microprocessor 1 if n = 0 or 6.
2. (Trained service technician only) Reseat
microprocessor 2 if n = 1 or 7.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. (Trained service technician only)
Microprocessor 1 if n = 0 or 6
b. (Trained service technician only)
Microprocessor 2 if n = 1 or 7
c. (Trained service technician only) System
board assembly
Shutdown and remove the blade server from the
BladeCenter unit, wait 30 seconds; then, reinstall the
blade server in the BladeCenter unit and restart it. If
problem persists, perform the following tasks in the
order shown, restarting the blade server each time:
1. Remove the cKVM feature card (if installed).
2. Update the BMC firmware.
3. Update the Ethernet controller firmware.
4. (Trained service technician only) Replace the
system board assembly.
Shutdown and remove the blade server from the
BladeCenter unit, wait 30 seconds; then, reinstall the
blade server in the BladeCenter unit and restart it. If
problem persists, perform the following tasks in the
order shown, restarting the blade server each time:
1. Update the BMC firmware.
2. (Trained service technician only) Replace the
system board assembly.
Shutdown and remove the blade server from the
BladeCenter unit, wait 30 seconds; then, reinstall the
blade server in the BladeCenter unit and restart it. If
problem persists, perform the following tasks in the
order shown, restarting the blade server each time:
1. Remove the cKVM feature card (if present).
2. Update the BMC firmware.
3. (Trained service technician only) Replace the
system board assembly.
101
Chapter 5. Diagnostics