The LED sequences in the following table relate to the Clean, Tape, Drive, and Ready LEDs.
The LTO-6 Ultrium 6650 and LTO-5 Ultrium 3280 tape drive also has an Encryption LED that
describes encryption status. This is described separately in
. The
meaning of different patterns of LEDs, without encryption enabled, is as follows:
Table 4 Clean, Tape, Drive, and Ready LED sequences
Action required
Cause
LED Sequence
Make sure that the drive is switched on.The power
on/off switch on an external drive incorporates a
green LED.
Drive may not have power, may
be faulty, or may have been
power cycled or reset during a
firmware upgrade.
Check the power cable connection and replace
the cable if necessary. On external drives, you
can use the power cable from your monitor or
another device to check that the connection is
working.
If the power supply is present and all LEDs remain
off, power cycle or reset the drive (see
All LEDs OFF.
). If it still fails, call for
service.
Power cycle or reset the drive (see
).
The drive has failed to execute
power-on self test (POST).
If the error condition reappears, call for service.
Ready and Clean OFF. Drive
and Tape FLASH.
None. This is normal.
The drive is ready for operation.
Ready is ON.
None.
The drive is carrying out a
normal activity (read, write).
If the drive is upgrading firmware, do not reset or
power cycle it.
Ready FLASHES.
None.
The drive is downloading
firmware.
Do not reset or power cycle the drive.
Understanding LED sequences
43