Table 5. DSA Preboot messages (continued)
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 7, “Parts listing, TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530,” on page 201 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.
v
Go to the Lenovo support Web site at http://www.lenovo.com/support to check for technical information, hints, tips, and new
device drivers or to submit a request for information.
Message
number
Component
Test
State
Description
Action
166-904-xxx
IMM
IMM I2C Test
Failed
The IMM indicates
a failure in the
power supply bus
(Bus 3).
1.
Turn off the system and disconnect
it from the power source. You must
disconnect the system from ac
power to reset the IMM.
2.
After 45 seconds, reconnect the
system to the power source and turn
on the system.
3.
Run the test again.
4.
Make sure that the DSA code is at
the latest level. For the latest level of
DSA code, go to
http://www.lenovo.com/support.
5.
Make sure that the IMM firmware is
at the latest level. The installed
firmware level is shown in the DSA
event log in the Firmware/VPD
section for this component. For more
information, see “Updating the
firmware” on page 258.
6.
Run the test again.
7.
Reseat the power supply.
8.
Run the test again.
9.
Turn off the system and disconnect
it from the power source.
10.
Trained service technician only)
Replace the system board.
11.
Reconnect the system to the power
source and turn on the system.
12.
Run the test again.
13.
If the failure remains, go to the
Lenovo Web site for more
troubleshooting information at
http://www.lenovo.com/support.
Chapter 4. Diagnostics
87
Summary of Contents for ThinkServer TS200 6522
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