IBM 7870B4U, Service Manual

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v See Chapter 4, “Parts listing,” on page 41 to determine which components are CRUs and which components
are FRUs.
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
215-902-xxx Failed the optical drive self test due to a read
miscompare.
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 101.
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 101.
5. For additional troubleshooting information, go
to http://www.ibm.com/support/
docview.wss?uid=psg1MIGR-41559.
6. Rerun the test. See “Diagnostic tools overview”
on page 101.
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 236.
Chapter 6. Diagnostics
219