IBM LS42 - BladeCenter - 7902, Service Manual

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Table 4. Diagnostic error codes (continued)
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 7901 and 7902,” on page 19 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.
Message
number
Component Test State Description Action
166-903-xxx BMC BMC I2C
Test Failed The BMC
indicates a
failure in the
LAN bus.
1. Reseat the blade server (see “Removing
the blade server from a BladeCenter
unit” on page 27 and “Installing the
blade server in a BladeCenter unit” on
page 28).
2. Run the test again.
3. Make sure that the DSA code is at the
latest level. For the latest level of DSA
code, go to http://www.ibm.com/
support/docview.wss?uid=psg1SERV-
DSA.
4. Make sure that the BMC firmware is at
the latest level. The installed firmware
level is shown in the DSA event log in
the Firmware/VPD section for this
component. For the latest level of
firmware, go to http://www.ibm.com/
support/docview.wss?uid=psg1
MIGR-4JTS2T and select your system
to display a matrix of available
firmware.
5. Make sure that the Ethernet device
firmware is at the latest level. The
installed firmware level is shown in
the DSA event log in the
Firmware/VPD section for this
component. For the latest level of
firmware, go to http://www.ibm.com/
support/docview.wss?uid=psg1
MIGR-4JTS2T and select your system
to display a matrix of available
firmware.
6. Run the test again.
7. (Trained service technician only)
Replace the system board (see
“Removing the system-board
assembly” on page 62 and “Installing
the system-board assembly” on page
62).
Chapter 5. Diagnostics
117