DEC MicroVAX 3100 85 Troubleshooting Instructions page 13

Table 1-1 (Cont.) Basic Troubleshooting
Symptom Possible Cause
TLZ06 and TLZ07 Cassette Tape Drive Problems
The system cannot write
to the cassette tape.
The write-protect LED
flashes.
The data read from
the cassette tape is
corrupted.
The write-protect switch
is in the write-protect
position.
The cassette tape is not
loaded.
The tape drive heads
are dirty or the tape is
worn.
The tape drive heads
may be dirty.
Suggested Solution
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.
Load the cassette tape.
Clean the drive heads (see the
MicroVAX 3100 Model
85195
Operator Information manual). If
the problem persists, use a new
tape.
See the MicroVAX 3100 Model 85
195
Operator Information manual
for information on how to clean the
drive heads.
TZK10ITZK11 Quarter Inch Cartridge (QIC) Tape Drive Problems
The data read from the
QIC tape is corrupted.
The system cannot write
to the QIC tape.
The system cannot read
from or write to the QI C
tape.
The drive head is dirty.
The write-protect switch
is in the write-protect
position.
The QIC tape may be
faulty.
Clean the drive head. See the
MicroVAX 3100 Model
85195
Operator Information manual.
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.
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.
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Troubleshooting and Diagnosing Problems
1-7