57469202
Explanation
Tape unit failed after Licensed Internal Code was loaded.
Response
If the attached device is an external device, do the
following before exchanging any parts:
-
Ensure that the device is powered on.
-
If an interposer is required, make sure that it is connected
between the I/O processor and the SCSI cable.
-
Ensure that the SCSI cable is seated correctly,
and
that there are no bent or damaged pins on the SCSI cable.
-
Ensure that a terminating plug is attached
to the device end of the SCSI cable.