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Table 3. DSA 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 7, “Parts listing, ThinkServer RD220 Type 3729, 3779, 3797, and 3798,” on page 231 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
215-902-xxx Optical Drive
v Verify
Media
Installed
v Read/
Write
Test
v Self-Test
Messages
and actions
apply to all
three tests.
Failed Read
miscompare.
1. Insert a CD or DVD into the drive or
try a new media, and wait for 15
seconds.
2. Run the test again.
3. Check the drive cabling at both ends
for loose or broken connections or
damage to the cable. Replace the
cable if it is damaged.
4. Run the test again.
5. For additional troubleshooting
information, go to
http://www.ibm.com/support/
docview.wss?uid=psg1MIGR-41559.
6. Run the test again.
7. Replace the CD or DVD drive (see
“Removing a CD-RW/DVD drive” on
page 213 and “Installing a
CD-RW/DVD drive” on page 214).
8. If the failure remains, collect the data
from the DSA event log and send it to
IBM Service. For information about
contacting and sending data to IBM
Service, see http://www.ibm.com/
support/
docview.wss?uid=psg1SERVCALL.
118 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual