DEC VAXstation 3100 Owner's Manual page 100

Table 6-1 Troubleshooting
Symptom
System Unit Problenns
System unit fan is off.
Power light is off.
Power-up display does not
show after 2 minutes.
6-4 Troubleshooting
Possible Cause
Power cable not connected.
Power supply or ^stem
unit fan failure.
Power cable not connected.
Wall socket may not be
working.
Power supply problem or
failure.
Monitor cable or video cable
not connected.
Alternate console switdi in
wrong position (up).
Monitor brightness and
contrast controls are too
dark to see the screen
di^lay.
Suggested Solution
Check the power cable connections at both
ends.
Contact your Digital service representative.
Check the power cable coimeclions at both
ends.
Try a differ^t wall socket, or try an electrical
device that you know wmrks in the waU socket.
Contact your Digital service representative.
THim the system off for 10 seconds and then
turn it ba(^ on. THim the system off. Unplug
the video cable, communications cable, and
printer. Then plug aU cables back in and turn
the system on.
Check that the monitor cable and video cable
are plugged in at both ends.
Change alternate console switch to correct
position (down). See Section A.3.
Adjust monitor brightness and contrast
controls.
Verify that monitor power switch is on ( I ).
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