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
166-412-001
System Management: Failed.
I
2
C bus failure.
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 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
166-414-001
System Management: Failed.
I
2
C bus failure.
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 hard disk drive signal cable.
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
178
ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual
Summary of Contents for ThinkServer RD120
Page 1: ...ThinkServer RD120 server Machine Types 6444 6445 6446 and 6447 Hardware Maintenance Manual ...
Page 2: ......
Page 3: ...ThinkServer RD120 server Machine Types 6444 6445 6446 and 6447 Hardware Maintenance Manual ...
Page 8: ...vi ThinkServer RD120 server Machine Types 6444 6445 6446 and 6447 Hardware Maintenance Manual ...
Page 42: ...24 ThinkServer RD120 server Machine Types 6444 6445 6446 and 6447 Hardware Maintenance Manual ...
Page 231: ......
Page 232: ...Part Number 46U0863 Printed in USA 1P P N 46U0863 ...