HP StorageWorks Ultrium Full-Height SCSI Tape Drives User Guide (EH853-90905, August 2007)

7 U nderstanding the LEDs
Your HP StorageWorks tape drive
See also “ Understanding LED sequences” on page 43.
1. On/Off switch (external drives only)
5. Drive LED
2. Eject button
6. T ape LED
3. Em ergency reset button 7. Clean LED
4. Ready LED
Figure 19 Front view of full-height Ultr ium externa l ta p e drive
Understanding LED sequences
ThemeaningofdifferentpatternsofLEDsisasfollows:
Table 7 LED sequences
LED Sequence Cause
Action required
All LEDs OFF.
Drivemaynothavepower,
maybefaultyormayhave
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 cable connection and
replace the cable if necessary. On external
drives, you can use the power cable from
yourmonitororanotherdevicetocheckthat
the connection is working.
If the power supply is present and all LEDs
remain off, power cycle or reset the drive (see
“Problems with cartridges” on page 64). If
it still fails, call for service.
Ultrium full-height SCSI Tape D rives
43