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
166-201-005 System Management: Failed
(I2C bus error(s) See SERVPROC and
DIAGS entries in event log.) Reseat the following components, one at a time, in
the order shown, restarting the server each time:
1. DIMMs.
2. (Trained service technician only) Microprocessors.
Replace the following components, one at a time, in
the order shown, restarting the server each time:
1. DIMMs.
2. Microprocessors.
3. (Trained service technician only) System board.
166-250-000 System Management: Failed (I2C cable is
disconnected. Reconnect I2C cable between
RSA and system board.)
1. Reseat the Remote Supervisor Adapter II
SlimLine.
2. Replace the Remote Supervisor Adapter II
SlimLine.
3. (Trained service technician only) Replace the
system board.
166-260-000 System Management: Failed
(Restart RSA Error. After restarting, RSA
communication was lost. Unplug and cold
boot to reset RSA.)
1. Disconnect all the option and power cords from
the server, wait 30 seconds, reconnect, and retry.
2. Reseat the Remote Supervisor Adapter II
SlimLine.
3. Replace the Remote Supervisor Adapter II
SlimLine.
166-342-000 System Management: Failed
(RSA adapter BIST indicate failed tests.)
1. Ensure the latest firmware levels for the Remote
Supervisor Adapter II SlimLine and BIOS are
installed.
2. Disconnect all the option and power cords from
the server, wait 30 seconds, reconnect, and retry.
3. Reseat the Remote Supervisor Adapter II
SlimLine.
4. Replace the Remote Supervisor Adapter II
SlimLine.
166-400-000 System Management: Failed (BMC self test
result failed tests:
x where x = Flash, RAM,
or ROM.)
1. Reflash or update the firmware for the BMC.
2. (Trained service technician only) Replace the
system board.
166-404-001 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 power backplane
4. Replace the power backplane.
5. (Trained service technician only) Replace the
system board.
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IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide