HP VS160 - StorageWorks DLT Tape Drive Troubleshooting Manual page 35

Using the LEDs for troubleshooting
If you cannot resolve a problem, contact customer service at
Use the following table to interpret the front panel LED sequences and the appropriate action
to take, if any.
LED Sequence and Cause
Drive may not have power, may be
faulty or may have been power
cycled or reset during a firmware
upgrade.
The drive believes the current tape or
the tape just ejected is faulty.
A DLT1 (VS80) format DLTtape IV
data cartridge is loaded.
The tape drive cannot read the
calibration tracks on the media or
has encountered a permanent write
or read error.
Cleaning in progress.
Cleaning is required.
Action required
Make sure the drive is switched on. The power on/off
All LEDs OFF.
switch incorporates a green LED.
You can use the power cable 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 the server.
Check the power cable connection and replace the
cable if necessary. If there is still no power, call for
service.
Make sure that you are using the correct format
Media blinking
cartridge; a DLT VS1 data cartridge for read and
slowly
write or a DLT I /VS80 format for read only, or a DLT
VS160 cleaning cartridge. (See also page 23.)
Check the cartridge for damage.
Load a new or known-good cartridge.
If the Media LED is still on, call for service.
Your tape drive can read, but not write to, this data
Media ON
cartridge. If you attempt to write to the cartridge, your
backup application will return a "Write Protected"
message.
TM
If the failure is the result of a calibration error, the tape
Clean blinking
slowly.
drive ejects the data cartridge. If the failure is the
result of a permanent read/write error, the tape drive
does not eject the data cartridge. Try a known-good
data cartridge. If the condition persists with a
particular data cartridge, discard or degauss that
data cartridge. If this error is repeatable with a
known-good data cartridge, try cleaning the tape
drive. If cleaning the tape drive does not help, contact
Support.
This is normal. Wait for cleaning to complete.
Clean blinking
rapidly.
The tape drive continues to function, although you
Clean ON
may encounter more soft error rates. Clean your tape
drive as soon as possible.
www.hp.com/support .
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