DEC VAXstation 3100 Owner's Manual page 103

Table 6-1 (Cont.) Troubleshooting
Symptom
Possible Cause
Suggested Solution
RZ5S Hard Disk Expansion Box Problems
Power light does not come
on.
SZ55 fails system exerciser
test and power-up self test.
Power cable not connected
or loose.
Faully disk drive assembly.
No AC power. Faulty
cabling.
SCSI ID not set, or set to
same ID as another device.
Check power cable connections at both ends.
Check that all cables are secure at both ends.
Check to see if the fan is blowing (AC power is
present).
Hemove defective RZ55 expansion boxes
from the system. Call your Digital service
representative.
Set SCSI ID, as described in Appendix B.
RZ56 Hard Disk Expansion Box Probienns
Power light does not come
on.
RZ56 fails system exerciser
test and power-up self-test.
Disk Probienns
Power cable not connected
or loose.
Faulty di^ drive assembly.
No AC power. Faulty
cabling.
SCSI ID not set, or set to
same ID as another device
on the system.
Check power cable connections at both ends.
Check tiiat all cables are secure at both ends.
Check to see if the activity light comes on or if
the fan is blowing (AC power is present).
Remove defective RZ56 e:q>ansi<m box
from the system. Call your Digital service
representative.
Set SCSI ID. Check SCSI IDs to ensure no
other device set to ID. See Appendix B.
Software does not boot from A problem exists with the See Section 7.2, Section 7.3, and Section 7.7 in
hard disk drive. hard disk.
Chapter 7.
Default boot device is set See Chapter 2 to set or change the default boot
incorrectiy.
device.
Recovery action may be set See Secticm A.1.2 in Appendix A.
to halt.
A problem exists with the Refer to your software documentation for help,
software (if installed) cm the
hard disk.
(continued on next page)
Troubleshooting 6-7