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Hardware Implementation
Quantum DLT 7000 Tape Drive 2-25
2.6 TROUBLESHOOTING
Table 2-12 lists troubleshooting tips in the event that your tape drive fails its
power-on self test or if it signals a problem via its front panel LEDs.
If, after attempting the recommended actions listed in Table 2-12, the problem still
exists or recurs, a hardware failure may be the cause. Contact your service
representative.
Table 2–12 Troubleshooting Chart
If… Then… You Should…
System does not
recognize the tape
drive.
System may not be configured
to recognize the SCSI ID.
Configure system to recognize the tape
drive’s ID.
SCSI ID may not be unique Change the SCSI ID and reconfigure the
system. The new ID becomes effective at
the next power on or SCSI bus reset.
SCSI adapter parameters may
not be correct
Check SCSI adapter documentation.
SCSI signal cable may be loose Ensure SCSI cable is fully seated at each
connector end.
SCSI terminator may be loose
or not present on the bus
Ensure correct, secure termination of bus.
SCSI bus may not be
terminated correctly
If tape drive is last or only device on bus
(except for adapter), make sure terminator
is installed on tape drive.
If tape drive is not the last or only device
on the bus, check the cable connections
and ensure that the bus is properly
terminated at each end.
SCSI terminator may not be at
end of bus or more than two
terminators may be present.
Ensure that a terminator is installed at each
end of the bus. One terminator is usually
installed at the host end of the bus.
SCSI bus may be too long.
Too many devices on the bus.
Limit bus length to ANSI SCSI standard for
the SCSI interface being used.
Limit the number of devices on the bus
(including the SCSI adapter) to match the
limits of the interface being used.