Computer Hardware User Manual
Table 12. Diagnostic 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 3, “Parts listing, ThinkServer TS100 Machine Types 6431, 6432, 6433, and 6434,” on page 37 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.
Message
number Component Test State Description Action
215-904-xxx Optical drive Self-Test Failed A read error
occurred.
1. Insert a new CD or DVD into the drive
and wait for 15 seconds for the media
to be recognized.
2. Run the test again.
3. Check the drive cabling for loose or
broken connections at both ends or
damage to the cable. Replace the cable
if it is damaged.
4. Run the test again.
5. Replace the optical drive.
6. Run the test again.
7. If the problem remains, collect the data
from the Diagnostic event log and send
it to Lenovo Service. For information
about contacting Lenovo Service, see
http://www.lenovo.com/support.
405-901-xxx Broadcom
Ethernet
device
TestControlRegisters Failed
1. Make sure that the component firmware
is at the latest level. The installed
firmware level is shown in the
Diagnostic event log in the
Firmware/VPD section for this
component. For the latest level of
firmware, start firmware, go to
EasyUpdate or go to:
http://www.lenovo.com/support and
select your system to display a matrix
of available firmware.
2. Run the test again.
3. (Trained service technician only)
Replace the system board.
4. Run the test again.
5. If the problem remains, collect the data
from the Diagnostic event log and send
it to Lenovo Service. For information
about contacting Lenovo Service, see
http://www.lenovo.com/support.
224 ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual