Dell PowerVault LTO4-120HH - Manual (Page 26)

3. Fault LED. The front panel of your Dell PowerVault LTO4-120HH tape drive has an amber fault LED indicating the drive has encountered an error, is not in a
normal operational status, or needs cleaning. See table 1 for more detailed description.
4. Single-character display. This LED presents a single-character code for diagnostic/maintenance functions, error conditions, and informational messages.
5. Single red dot. This single-character display is blank during normal operation. When a single red dot illuminates and flashes on the display, the drive has created a
dump of vital technical data to drive memory.
Table 1. SCD, Ready/Activity LED, and Fault LED Descriptions
Rear Panel
Figure 4. Rear Panel of Internal SAS Tape Drive
1. SAS connector
Figure 5. Rear Panel of External SAS Tape Drive
Condition of green
Ready/Activity LED Condition of amber
Fault LED Condition of the
SCD Panel Condition of the
SCD Dot
Meaning of LEDs and SCD Panel and SCD Dot
Off Off Off Off The tape drive has no power or is powered
off.
On Solid Off Off or Off The tape drive is powered on or (if a solid
displays in the single character display)
needs cleaning.
Flashing once per
second Off Off Off The tape drive is reading from the tape,
writing to the tape, rewinding the tape,
locating data on the tape, loading the tape,
or unloading the tape. The Ready/Activity
LED also flashes green if the tape drive
contains a cartridge during the power on
cycle. In this case, the drive completes
POST and slowly rewinds the tape (this
process may take approximately 13
minutes). The Ready/Activity LED stops
blinking when the drive completes the
recovery and is ready for a read or write
operation. To eject the cartridge, press the
unload button.
Off On/Solid On Solid On/Off The tape drive is in maintenance mode or is
displaying an error code on the SCD in
maintenance mode option 9.
Off On Solid Flashing once
per second On/Off Executing the selected option while in
maintenance mode.
Off Flashing once
per second On Solid Off An error occurred and the tape drive or
media may require service or drive may
require cleaning. Note the code on the single
character display, and then go to the error
code table in the troubleshooting section to
determine the meaning of the error codes. If
a
appears on the SCD, a cleaning
cartridge must be loaded.
Off Flashing twice
per second Off Off The drive is updating firmware.
Off Flashing once
every 2
seconds Off Off The drive detected an error and is
performing a firmware recovery. It will reset
automatically.