Table 10. Error codes on the single-character display (continued)
Error Code Cause and Action
7
Media error. The tape drive determined an error occurred because of a faulty tape cartridge or an
invalid tape cartridge. Ensure the tape cartridge is the correct media type:
v Ultrium 1 tape cartridges are not supported by the Ultrium 4 Half High Tape Drive.
v Drive will not accept an expired Cleaning Cartridge.
v Drive will not accept a WORM cartridge when running diagnostic tests in Maintenance Mode.
v Drive will not accept an FMR tape unless the drive is performing “Function Code 8: Unmake
FMR tape” on page 27.
v Drive will not write over existing datasets on a WORM cartridge. Ensure you are appending
datasets on WORM media rather than attempting to write over existing datasets.
If the tape cartridge is the correct media type, try another tape cartridge. If the problem occurs
with multiple tape cartridges, use the following procedure:
1. If possible, run the tape cartridge in a different tape drive. If the operation in the other unit
fails and
6
or
7
displays, replace the media. If the operation succeeds, run “Function
Code E: Test cartridge and media” on page 29.
Attention: When you run the Test Cartridge and Media diagnostic, data on the suspect tape is
overwritten. Use only a scratch data cartridge to run the test.
v If the diagnostic fails, replace the media.
v If the diagnostic succeeds, clean the drive head (see “Cleaning the drive head” on page 16)
and run “Function Code 1: Run drive diagnostics” on page 19.
– If the drive diagnostic fails, replace the drive.
– If the drive diagnostic succeeds, perform the operation that produced the initial media
error.
The error code clears when you remove the tape cartridge or place the tape drive in Maintenance
Mode.
8
Interface problem. The tape drive determined that a failure occurred in the tape drive hardware or
in the host bus. See Chapter 5, “Resolving problems,” on page 45. If
8
was displayed while
running "Function Code 6: Host Interface Test":
1. Verify the correct interface wrap tool was attached during the test. The test will fail if the
correct interface wrap tool is not attached.
2. If the correct interface wrap tool was attached during the test, replace the drive. The error code
clears when you place the tape drive in Maintenance Mode.
9
Tape drive or RS-422 error. The tape drive determined that a failure occurred in the tape drive
hardware or in the RS-422 connection. See “Function Code 7: Run RS-422 wrap test” on page 26 or
refer to the Library procedures to isolate the problem to the drive. The error code clears when you
place the tape drive in Maintenance Mode.
50 LTO Ultrium 4 Half High Tape Drive
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