HP A7518B - StorageWorks SDLT 600 Tape Drive Getting Started Manual page 46

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
All LEDs OFF.
Left LED blinks RED;
middle LED solid
GREEN; right LED
solid YELLOW.
Middle LED solid
GREEN.
Middle LED blinks
GREEN.
Left LED blinks RED;
middle LED solid
GREEN; right LED
blinks YELLOW.
Left LED blinks RED;
middle LED blinks
.
GREEN
Right LED solid
YELLOW
Middle LED blinks
GREEN; right LED
solid YELLOW.
Left LED blinks or is
solid RED; middle LED
blinks or is solid
GREEN; right LED
blinks or is solid
YELLOW.
42
Cause
Drive may not have
power, may be faulty or
may have been power
cycled or reset during a
firmware upgrade.
The drive has failed to
execute power-on self
test (POST).
The drive is ready for
operation.
The drive is carrying out
a normal activity (read,
write).
The drive is in OBDR
mode.
The drive is
downloading firmware.
The drive requires
cleaning.
Cleaning is in progress. None. The cleaning cartridge will eject on
The drive mechanism
has detected an error or
the drive has a firmware
error.
www.hp.com/support .
Action required
Make sure the server is switched on.
Check the internal power cable connection
and replace the cable if necessary.
If the power supply is present and all LEDs
remain off, power cycle the server. If it still
fails, call for service.
Power cycle or reset the server.
If the error condition reappears, call for
service.
None. This is normal.
None.
If the drive is upgrading firmware, do not reset
or power cycle it.
See "Running HP OBDR" on page 32 for
further details.
None.
Do not reset or power cycle the drive.
Load the cleaning cartridge. See page 27 for
supported cartridges and instructions.
If the Cleaning Required LED is still
illuminated when you load a new or known
data cartridge after cleaning, call for service.
completion.
The cleaning cycle can take up to 5 minutes to
complete.
Power cycle or reset the drive.
Load the latest firmware.
Load a new cartridge.
If the problem persists, call for service.