IBM x3550 - System - 7978, Problem Determination And Service Manual

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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 7978 and 1913 server,” on page 29 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 Action
166-406-001 System Management: Failed (BMC indicates
failure in I2C bus test.)
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect, and
retry.
2. Reflash or update the firmware for the BMC.
3. Reseat the SAS backplane and the SAS
backplane cable.
Replace the following components, one at a time, in
the order shown, restarting the server each time:
1. SAS backplane
2. SAS backplane cable
3. (Trained service technician only) System board.
166-407-001 System Management: Failed (BMC indicates
failure in I2C bus test.)
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect, and
retry.
2. Reflash or update the firmware for the BMC.
3. Operator information panel cable.
4. Operator information panel.
5. (Trained service technician only) Replace the
system board.
166-NNN-001 System Management: Failed (BMC indicates
failure in self test where NNN=300 to 320.)
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect, and
retry.
2. Reflash or update the firmware for the BMC.
3. (Trained service technician only) Replace the
system board.
166-NNN-001 System Management: Failed (BMC indicates
failure in I2C bus test where NNN=400 to
420 (excluding 412, 414, and 415).)
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect, and
retry.
2. Reflash or update the firmware for the BMC.
3. (Trained service technician only) Replace the
system board.
180-197-000 SAS ASPI driver not installed. Ignore this message if the server is a SATA system.
This test is not supported for SATA drives.
1. Update the SAS configuration parameters (see
“Configuring hot-swap SAS or hot-swap SATA
RAID” on page 22).
2. (Trained service technician only) Replace the
system board.
Chapter 5. Diagnostics
151