Table 3. Meaning of status LED and single-character display (SCD) (continued)
Indicator
Status condition Action
Single-
character
display (red)
"Ready" LED
(green)
"Fault" LED
(amber)
Notes:
1. The “Fault” LED must be solid to indicate an overtemp condition (media temperature greater than 52°C or
125°F). If a tape is present, it must be ejected. This LED will remain on until the drive temperature drops below
a lower secondary temperature limit, and one of the following two conditions is also met:
v A data or cleaning cartridge is inserted.
v A POR cycle or hard bus reset occurs.
2. When used in this table, “Flashing” refers toa1Hz(±10%) flash rate, and “Flashing Rapidly” refers toa4Hz
(±10%) flash rate.
3. A drive dump should be stored before the drive is powered-off.
4. The failure cannot be isolated to either faulty drive or media.
5. The error code on single-character display is cleared when the cartridge is removed from the drive.
6. The error condition will be cleared when the drive is powered-off. The drive is not disabled.
7. When a drive needs cleaning, the Fault LED must be on solid and a “C” must appear on the single-character
display. In most cases, the drive will continue to function, but it should be cleaned as soon as possible. A POR
cycle must not turn off this indicator.
8. The firmware update failed and the drive is not functional. The drive boot code is in control and the firmware
download should be retried. The drive can be identified via an INQUIRY command and is thereby bootable
while in this state.
9. When the drive is in service mode, the “Fault” LED will be on solid and the single character display will
indicate the current service mode state.
10. Immediately following a power-on self-test sequence or drive reset, both LEDs, all segments of the
single-character display, and the SCD dot must be on solid for 3 seconds (±10%).
Unload button
The unload button (5 in Figure 2 on page 2) performs the following functions:
Table 4. Functions that the unload button performs
Unload button function How to initiate the function
Rewind the tape into the
cartridge and eject the
cartridge from the drive
Press the unload button once. The status LED flashes green while the drive is
rewinding and unloading.
Note: During a rewind and eject operation, the drive does not accept SCSI commands
from the server.
Place the drive in
Maintenance Mode
Ensure that the drive is unloaded. Then, within two seconds, press the unload button
three times. The drive is in Maintenance Mode when the status LED becomes solid
amber and
0
appears in the SCD.
Scroll through the
maintenance functions
While in Maintenance Mode, press the unload button once per second to increment
the display characters by one. When you reach the character of the diagnostic or
maintenance function that you want (see “Diagnostic and maintenance functions” on
page 16), press and hold the unload button for three seconds.
Chapter 3. Operating 13
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