DEC MicroVAX 3100 85 Troubleshooting Instructions page 14

Table 1-1 (Cont.) Basic Troubleshooting
Symptom Possible Cause
RX™26 Diskette Drive Problems
The system cannot read
from or write to the
diskette.
The system can read
from but cannot write to
a diskette.
The diskette does not
eject.
The diskette is not
formatted.
The diskette is not
correctly inserted.
The diskette is faulty.
The diskette drive is
faulty.
The diskette density is
incorrect.
The diskette drive head
may be dirty.
The write-protect switch
is in the write-protect
position.
The diskette is
incorrectly positioned
in the drive.
RZ-Series SCSI Disk Drive Problems
An installed drive does
not work.
The Configuration
display does not show a
SCSI device.
Two SCSI identifiers are
set to the same number.
Drive cables are not
properly connected.
SCSI device is not
properly terminated.
Two SCSI identifiers are
set to the same number.
1-8 Troubleshooting and Diagnosing Problems
Suggested Solution
Format the diskette.
Eject the diskette. Try to insert the
diskette again.
Try
a different diskette.
Contact your Digital services
representative.
The RX26 accepts only high-
density (HD) or extra-density
(ED) diskettes.
See the Micro VAX 3100 Model 85
/95 Operator Information manual
for information on how to clean the
diskette drive head.
Eject the diskette and reset the
switch. Try writing to the diskette
again.
Gently press the diskette with your
finger and reposition it. Press the
eject button again.
Reset each SCSI ID to a unique
number.
Check the cable connections.
Check for a SCSI 50-pin
terminator.
Reset each SCSI ID to a unique
number.