Technical data

Troubleshooting, Continued
Table C–1 (Continued) System Problems
Symptom Possible Cause Corrective Action
Wall socket may
not be operative.
Try a different wall socket,
or try an electrical device
that you know works in
the wall socket.
Turn the system off for
10 seconds. Then turn
the system on and then
off again. Disconnect the
video, communication,
and printer cables from
the power source, then
reconnect securely at both
ends and turn the power
on to the system.
Defective power
supply.
Replace the power supply.
Power-up
display does
not show after
two minutes.
Monitor is not
turned on.
Turn on the monitor.
Monitor
brightness
and contrast
controls are set
incorrectly.
Adjust the monitor
brightness and contrast
controls. Verify that the
monitor power switch is
on (1).
Monitor cable or
video cable is not
connected.
Ensure that the monitor
cable and video cable are
securely connected at both
ends.
Continued on next page
C–3