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, ThinkServer RD120 Machine Types 6444, 6445, 6446, and 6447,” on page 25
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
166-404-001
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.
Attention:
In a dc power environment, only
trained service personnel other than Lenovo
service technicians are authorized to connect or
disconnect power to the dc power supply. See the
documentation that comes with each dc power
supply.
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.
Attention:
In a dc power environment, only
trained service personnel other than Lenovo
service technicians are authorized to connect or
disconnect power to the dc power supply. See the
documentation that comes with each dc power
supply.
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
176
ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual
Содержание ThinkServer RD120
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