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 7979 and 1914 server,” on page 79 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
166-342-000 System Management: Failed.
Remote Supervisor Adapter II SlimLine BIST
indicates failed tests.
1. Update the firmware for BIOS and the Remote
Supervisor Adapter II SlimLine to the latest levels.
2. Disconnect all power cords and external cables
from the server, wait 30 seconds, reconnect the
power cords and cables, and run the test again.
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 failed.
1. Update the BMC firmware to the latest level.
2. (Trained service technician only) Replace the
system board.
166-404-001 System Management: Failed.
BMC indicates failure in I
2
C bus test.
1. Disconnect all power cords and external cables
from the server, wait 30 seconds, reconnect the
power cords and cables, and run the test again.
2. Update the BMC firmware to the latest level.
3. Reseat the power backplane.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Power backplane
b. (Trained service technician only) System
board
166-406-001 System Management: Failed.
BMC indicates failure in I
2
C bus test.
1. Disconnect all power cords and external cables
from the server, wait 30 seconds, reconnect the
power cords and cables, and retry the test.
2. Update the BMC firmware to the latest level.
3. Reseat the following components:
a. Hard disk drive signal cable
b. Hard disk drive backplane
4.
Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Hard disk drive backplane
b. (Trained service technician only) System
board
Chapter 2. Diagnostics 61
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