User`s guide
Chapter 6 Troubleshooting Guide
Understanding LED Sequences
LTO-5 Tape Drive User’s Guide 67
Tap e  F L AS H E S
Tap e  F L A S H E S
The drive believes the current 
tape or the tape just ejected is 
faulty.
Unload the tape cartridge. 
Make sure that you are 
using the correct format 
cartridge; an Ultrium data 
cartridge or Ultrium 
Universal Cleaning Cartridge 
(see table 3
 on page 31)
Reload the cartridge. If the 
Tap e  L E D  still flashes or 
starts flashing during the 
next backup, load a new or 
known good cartridge.
If the Tap e  L E D  is now off, 
discard the 'suspect' tape 
cartridge. If it is still on, call 
for service.
The tape is 
ejected 
immediately and 
Tap e  F L AS H E S ,  o r  
Drive FLASHES on 
unloading tape.
The tape is 
ejected 
immediately 
and Tape 
FLASHES, or 
Drive FLASHES 
on unloading 
tape.
The tape cartridge memory 
(CM) may be faulty.
Write protect the cartridge 
by sliding the switch on the 
tape cartridge, see Write 
Protecting a Tape Cartridge 
on page 29. The tape can be 
loaded and the data read. 
Once the data is recovered, 
the cartridge must be 
discarded.
LED Sequence 
(Half-Height)
LED 
Sequence 
(Full-Height) Cause Action Required










