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Hardware Implementation
2-26 Quantum DLT 7000 Tape Drive
Table 2–12 Troubleshooting Chart (Continued)
If… Then… You Should…
System does not
recognize the tape
drive (cont.)
A device may not have been
turned on and a valid SCSI ID
may not have been
configured prior to the
system powering on and
loading BIOS.
Turn drive power on first, and then turn on
power to the system. Do this so that the
drive is properly recognized by the system.
The tape drive does
not power up.
No power is reaching the
tape drive.
Check the tape drive’s power cable
connection at the rear of the drive.
All LEDs on the right
or on the left side of
the tape drive front
panel are blinking.
A drive fault has occurred. If a tape was loaded, try to unload the tape
and reinitialize the drive by pressing the
Unload button, or by turning power to the
drive off then back on. The LEDs stop
blinking as the drive attempts to reinitialize.
The LEDs light steadily again, then
extinguish if the test succeeds. Be sure to
isolate the tape that was loaded in the drive
and perform the Tape Cartridge Inspection
Procedure described in appendix D.2.
CAUTION: If this happens multiple times,
contact your service representative.
When loading a tape
cartridge, the LEDs
on the right side of
the tape drive front
panel are blinking.
The tape drive has detected a
possible drive leader
problem.
Isolate the tape cartridge from all other tape
devices; not doing so may damage another
tape device. Perform the Tape Cartridge
Inspection Procedure described in appendix
D.2 on the tape cartridge. Contact your
service representative.
Nonfatal or fatal
errors occur for
which the cause
cannot be
determined.
SCSI bus termination or the
SCSI bus cable connections
may be incorrect.
The ac power source
grounding may be incorrect
(tabletop version).
Ensure the SCSI bus is terminated and that
all connections are secure.
Use an
ac outlet for the tabletop tape unit on the
same ac line used by the host system.
If, after attempting the recommended actions listed in Table 2-12, the problem still
exists or returns, a hardware failure may be the cause. Contact a service
representative. Also, the web site http://www.dlttape.com includes valuable
information about DLTtape systems.