HP STOREEVER LTO 4 User Manual page 43

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
meaning of different patterns of LEDs, without encryption enabled, is as follows:
Table 4 Clean, Tape, Drive, and Ready LED sequences
LED Sequence
All LEDs OFF.
Ready and Clean OFF. Drive
and Tape FLASH.
Ready is ON.
Ready FLASHES.
Cause
Drive may not have power, may
be faulty, or may have been
power cycled or reset during a
firmware upgrade.
The drive has failed to execute
power-on self test (POST).
The drive is ready for operation.
The drive is carrying out a
normal activity (read, write).
The drive is downloading
firmware.
Encryption LED (page
Action required
Make sure that the drive is switched on.The power
on/off switch on an external drive incorporates a
green LED.
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
with cartridges (page 46)). If it still fails, call for
service.
Power cycle or reset the drive (see
cartridges (page 46)).
If the error condition reappears, call for service.
None. This is normal.
None.
If the drive is upgrading firmware, do not reset or
power cycle it.
None.
Do not reset or power cycle the drive.
Understanding LED sequences
45). The
Problems
Problems with
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