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Understanding led sequences, 7 led sequences – HP StoreEver Ultrium Tape Drives User Manual

Page 62

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4.

Has the cartridge been write-protected, see

Write protecting cartridges

” on page 50?

5.

Clean the tape heads with the cleaning cartridge, see

Cleaning cartridges

” 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

http://www.hp.com

. Perhaps move the drive to a more suitable site.

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.

62

Troubleshooting