IBM TS2250, Setup, Operator, And Service Manual

Page: 65 / 149

Press Unload to stop the diagnostic test and exit Maintenance Mode. Pressing
Unload once aborts the test at the end of the current test loop. Pressing Unload
twice aborts the test immediately. Wait for the drive to rewind the tape and unload
the cartridge.
Attention: Even though no data is written during this test, it is recommended
that you use a blank (scratch) cartridge for this test.
1. Place the drive in Maintenance Mode. For instructions, see “Entering
Maintenance Mode” on page 3-9.
2. Press the Unload Button once per second until
L
appears in the SCD. (If you
cycle past the desired code, press the Unload Button once per second until the
code reappears.)
3. Press and hold the Unload Button for three or more seconds, then release it to
select the function. The SCD changes to a flashing
C
.
4. Insert a scratch (blank) data cartridge. The SCD changes to a flashing
L
and
the tape drive runs the tests.
v If no error is detected, the diagnostic test loops and begins again. To stop
the loop, press Unload for 1 second and release. When the diagnostic test
ends,
0
temporarily appears in the SCD, and the tape drive exits
Maintenance Mode.
v If an error is detected, the Fault light flashes and the drive posts an error
code to the SCD. To determine the error, locate the code in Appendix A,
“Error Codes and Messages,” on page A-1. To clear the error either turn the
power off and then on again, or reboot the drive by pressing and holding
Unload for 10 seconds.
Function Code P: Post Error Reporting Enabled
When Post Error Reporting is enabled, deferred-check conditions are reported to
the host and temporary errors are reported in the sense data. Function Code
P
will be displayed in Maintenance Mode when the drive has Post Error
Reporting enabled.
This selection is normally used as a request from support personnel.
1. Place the drive in Maintenance Mode. For instructions, see “Entering
Maintenance Mode” on page 3-9.
2. Press the Unload Button once per second until either
P
or
U
appears in the
SCD.
P
or
U
will appear in the SCD to indicate the current setting for Post
Error Reporting. If you cycle past the desired code, press the Unload Button
once per second until the code reappears.
3. Exit Maintenance Mode if you do not want to change the current setting for
Post Error Reporting. For instructions, see “Exiting Maintenance Mode” on
page 3-9.
4. To disable Post Error Reporting, Press and hold the Unload Button for three
seconds while
P
appears in the SCD. The SCD changes to
U
after you
release the Unload Button.
Chapter 3. Operating
3-21