Understanding led sequences, 7 led sequences – HP StoreEver Ultrium Tape Drives User Manual
Page 62
4.
Has the cartridge been write-protected, see “
5.
Clean the tape heads with the cleaning cartridge, see “
” on page 47. Make
sure you are using the HP Ultrium Universal cleaning cartridge, C7978A.
6.
If the Tape LED is flashing, the cartridge is probably faulty. Try using a different cartridge.
7.
Try the operation again.
8.
If the problem still occurs and you have not yet replaced the cartridge, try using a different cartridge.
9.
If the problem is still there, the problem probably lies with the drive or the host computer.
Has the drive been moved recently? Have any cables been disconnected and reconnected? Has the
environment changed—unusually hot, cold, damp or dry? Has there been dust or dirt near the drive.
Have reasonable precautions against static been taken?
The problem could lie with the drive:
1.
Check the cables and connectors.
2.
Clean the tape heads with the cleaning cartridge.
3.
If the problem persists, check the environmental conditions against the specified limits, see table
above or refer to
Has a new operating system been installed in the host computer? Has new backup software been
installed?
The problem could lie with the host or the software. Consult the computer’s operating manuals, the
software manual, or seek help from a service engineer.
Understanding LED sequences
The meaning of different patterns of LEDs is as follows:
Table 7 LED sequences
LED Sequence
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.
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Troubleshooting