cartridge, or the media has read-only compatibility (Gen2 media, for
example), error code P appears in the SCD. In either case, the tape drive
unloads the cartridge and exits Maintenance Mode after the cartridge is
removed.
1. Place the drive in Maintenance Mode. For instructions, see “Entering
Maintenance Mode” on page 72.
2. Press the Unload Button once per second until F 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 F and the
tape drive runs the tests.
Note: If you inserted an invalid tape cartridge (Gen1 or WORM media, for
example), error code 7 appears in the SCD. If you inserted a
write-protected cartridge, or the media has read-only compatibility (Gen2
media, for example), error code P appears in the SCD. In either case, the
tape drive unloads the cartridge and exits Maintenance Mode after the
cartridge is removed.
v If no error is detected, the diagnostic will loop and begin again. To stop the
loop, press the Unload Button for one second and release. When the loop
ends, 0 temporarily appears in the SCD.
v If an error is detected, the Status LED flashes amber and the drive posts an
error code to the SCD. To determine the error, locate the code in “Error
Codes and Messages” on page 81. To clear the error either turn the power off
and then on again, or reboot the drive by pressing and holding the Unload
Button for 10 seconds.
Function Code H: Test Head
Function Code H performs tests to ensure that the tape drive’s head and
tape-carriage mechanics work correctly. This test runs 10 loops at approximately 10
minutes per loop.
Once you begin this test, the diagnostic begins the loop sequence. Time the first
loop by pressing the Unload Button once to stop the diagnostic after the
completion of the first loop, then record the time it takes for the test to complete.
Compare the recorded time with the Approximate Run Time above. If the test runs
successfully but the execution time is significantly longer than the Approximate Run
Time, run “Function Code F: Write Performance Test” on page 76. If the Write
Performance Test fails, replace the media and exit maintenance mode.
Press the Unload Button to stop the diagnostic and exit maintenance mode.
Pressing the Unload Button once will abort the test at the end of the current test
loop. Pressing the Unload Button twice will abort the test immediately. Wait for the
drive to rewind the tape and unload the cartridge.
Attention: For this test, insert only a scratch (blank) data cartridge or a cartridge
that may be overwritten. During the test, the drive overwrites the data on the
cartridge.
Note: If you inserted an invalid tape cartridge (Gen1 or WORM media, for
example), error code 7 appears in the SCD. If you inserted a write-protected
cartridge, or the media has read-only compatibility (Gen2 media, for
Chapter 6. Half High LTO-5 Tape Drive 77
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