Table 1–1 (Cont.) Basic Troubleshooting
Symptom
Possible Cause
Suggested Solution
TLZ06 Cassette Tape Drive Problems
The system cannot write to
the cassette tape.
The write-protect switch
is in the write-protect
position.
If the write-protect LED is on,
remove the tape, reset the switch
and try writing to the tape again. If
the problem persists, contact your
Digital Services representative.
The cassette tape is not
loaded.
Load the cassette tape.
The write-protect LED
flashes.
The tape drive heads are
dirty or the tape is worn.
Clean the drive heads (see the
MicroVAX 3100 Model 90 Operator
Information
manual). If the
problem persists, use a new tape.
The data read from the
cassette tape is corrupted.
The tape drive heads may
be dirty.
See the
MicroVAX 3100 Model 90
Operator Information
manual for
information on how to clean the
drive heads.
TZK10/TZK11 Quarter Inch Cartridge (QIC) Tape Drive Problems
The data read from the QIC
tape is corrupted.
The drive head is dirty.
Clean the drive head. See the
MicroVAX 3100 Model 90 Operator
Information
manual.
The system cannot write to
the QIC tape.
The write-protect switch
is in the write-protect
position.
Remove the QIC tape, reset the
switch and try to write to the
QIC tape again. If the problem
persists, contact your Digital
Services representative.
The system cannot read
from or write to the QIC
tape.
The QIC tape may be faulty.
Remove the QIC tape. If the amber
LED turns off when you remove
the QIC tape, the tape is probably
faulty. Try a different QIC tape.
If the amber LED stays on or if
the problem persists, contact your
Digital Services representative.
(continued on next page)
Troubleshooting and Diagnosing Problems 1–7
