IBM T400 Computer Drive User Manual


 
Table 9. Diagnostic and maintenance functions (continued)
Function Code 9 - Display Error Code Log
Causes the tape drive to display the last 10 error codes, one at a time (the codes are ordered; the most recent is
presented first and the oldest (tenth) is presented last).
1. Make sure that no cartridge is in the drive.
2. Within a 1.5-second interval, press the unload button three times. The status light becomes solid amber, which
means that the drive is in maintenance mode.
3. Press the unload button once per 1.5 seconds until 9 appears in the single-character display. If you cycle past 9,
continue to press the unload button until it redisplays.
4. To select the function, press and hold the unload button for 3 seconds. After you select the function, press the
unload button to view the most recent error code. Press the unload button again to view successive error codes.
If you press the unload button for 3 seconds after the tenth error code displays, 0 displays (if there are no errors
in the log) and the drive exits maintenance mode.
Function Code A - Clear Error Code Log
Causes the tape drive to erase the contents of the error code log.
1. Make sure that no cartridge is in the drive.
2. Within a 1.5-second interval, press the unload button three times. The status light becomes solid amber, which
means that the drive is in maintenance mode.
3. Press the unload button once per 1.5 seconds until A appears in the single-character display. If you cycle past A,
continue to press the unload button until it redisplays.
4. To select the function, press and hold the unload button for 3 seconds. After you select the function, the tape
drive erases all errors from the error code log, displays 0, then exits maintenance mode.
Function Code C - Insert Cartridge into Tape Drive
This function cannot be selected by itself. It relates to other maintenance functions (such as Run Tape Drive
Diagnostics or Create FMR Tape) that require an FMR tape cartridge or scratch tape cartridge that is not write
protected.
42 IBM TotalStorage LTO Ultrium 2 Tape Drive