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Chapter 6 Troubleshooting Guide
Understanding LED Sequences
LTO-4 (Model B) Half-Height Tape Drive User’s Guide
67
Table 10 Tape Drive LED
Sequences
LED Sequence
(Half-Height)
Cause
Action Required
All LEDs OFF
Drive may not have power, may
be faulty or may have been
power cycled or reset during a
firmware upgrade.
Make sure the drive is switched on. The power
on/off switch on an external drive incorporates
a green LED.
Check the power cord connection and replace
the cable if necessary. On external drives, you
can use the power cord 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. If it
still fails, call for service.
Ready and Clean
OFF, Drive and
Tape FLASH
The drive has failed to execute
power-on self test (POST).
Power cycle or reset the drive.
If the error condition reappears, call for
service.
Ready is ON.
The drive is ready for
operation.
None. This is normal.
Ready FLASHES.
The drive is carrying out a
normal activity (read, write).
None.
If the drive is upgrading firmware, do not
reset or power cycle it.
Ready FLASHES
fast.
The drive is downloading
firmware.
None.
Do not reset or power cycle the drive.
Summary of Contents for LTO-4 (Model B)
Page 6: ...Contents vi LTO 4 Model B Half Height Tape Drive User s Guide Index 81...
Page 8: ...Figures viii LTO 4 Model B Half Height Tape Drive User s Guide...
Page 10: ...Tables x LTO 4 Model B Half Height Tape Drive User s Guide...
Page 20: ...Chapter 1 Introduction Features 4 LTO 4 Model B Half Height Tape Drive User s Guide...
Page 92: ...76 LTO 4 Model B Half Height Tape Drive User s Guide...