Lenovo BladeCenter HS23 7875 Problem Determination And Service Manual page 267

• See Chapter 3 "Parts listing" on page 29 to determine which components are consumable, structural, or CRU
parts.
• If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
Description
Error code
215-902-xxx Failed the optical drive self test due to a read
miscompare.
215-903-xxx Aborted the optical drive self test because the
drive could not be accessed.
Action
1. Insert a new CD or DVD into the drive and wait
for 15 seconds for the media to be recognized;
then, rerun the test. See "Diagnostic tools
overview" on page 78.
2. Make sure that the cable for the optical drive is
securely connected at both ends of the cable
and tighten any loose connections. See your
BladeCenter documentation for information
about the optical drive (media tray).
3. Make sure that the cable for the optical drive is
not damaged and replace the cable if damage is
present. See your BladeCenter documentation
for information about the optical drive (media
tray).
4. Rerun the test. See "Diagnostic tools overview"
on page 78.
5. For additional troubleshooting information, go to
http://www-947.ibm.com/support/entry/portal/
docdisplay?lndocid=MIGR-41559.
6. Rerun the test. See "Diagnostic tools overview"
on page 78.
7. Replace the CD or DVD drive. See your
BladeCenter documentation for information
about replacing the optical drive (media tray).
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 "Hardware service and
support" on page 267.
1. Insert a new CD or DVD into the optical drive
and wait for 15 seconds for the media to be
recognized; then, rerun the test. See "Diagnostic
tools overview" on page 78.
2. Make sure that the cable for the optical drive is
securely connected at both ends of the cable.
See your BladeCenter documentation for
information about the optical drive (media tray).
3. Make sure that the cable for the optical drive is
not damaged; then, replace the cable if damage
is present. See your BladeCenter
documentation for information about replacing
the optical drive (media tray).
4. Make sure that the DSA Diagnostic code is at
the latest level and upgrade if necessary; then,
rerun the test. The latest code can be found on
the IBM support website at http://www.ibm.
com/support/docview.wss?uid=psg1SERV-
DSA.
Chapter 5
. 251
Diagnostics