Dell PowerVault LTO User Manual page 40

Table 8. Diagnostic and Maintenance Function Codes and Descriptions (continued)
Function Code H - Test Head
Causes the tape drive to complete the Head Resistance Measurements test and a Write/Read test (on
the center of the tape). The drive runs these tests to ensure that the tape drive's head and tape-carriage
mechanics are working correctly. The tape drive takes approximately 10 minutes to run the test.
Note: If you inserted an invalid tape cartridge (see "Data cartridges" on page 21), error code
in the SCD. If you inserted a write-protected cartridge, or the media has read-only compatibility (see Table 5
on page 21), error code
Maintenance mode after the cartridge is removed.
1. Ensure that there is no cartridge in the drive.
2. Press Eject 3 times within an interval of 2 seconds. The fault LED becomes solid amber, which means that
the drive is in maintenance mode.
3. Press Eject once per second until
to press Eject until it reappears.
4. To select the function, press and hold Eject for 3 seconds. After you select the function,
C
flashes, the drive is waiting for a cartridge. Within 60 seconds, insert a scratch data cartridge (or the
tape drive exits maintenance mode). After you insert the cartridge,
• If no error is detected, the test begins again and runs for a maximum of 10 times. Each loop takes
approximately 10 minutes to run. After the 10th loop, the test stops and the drive automatically exits
maintenance mode.
• If an error is detected, the tape drive displays
mode.
• To halt the diagnostic at the end of the current 10-minute test loop, press Eject once. The drive
acknowledges the request by slowing the length of time that the currently displayed character flashes on
the single-character display (from twice per second to once per second). The diagnostic continues to the
end of its loop and then stops. The tape drive then rewinds, unloads the cartridge, and exits maintenance
mode.
• To halt the diagnostic immediately and stop the test that is running, press Eject twice. The tape drive then
rewinds, unloads the cartridge, and exits maintenance mode.
34 Dell PowerVault LTO Tape Drive: User's Guide
P
displays in the SCD. In either case, the tape drive unloads the cartridge and exits
H
appears in the single-character display. If you cycle past
H
flashes and the test begins.
5
, unloads the tape cartridge, and exits maintenance
7
J
or displays
H
, continue
C
flashes. When