Maintenance and Troubleshooting
Runco VX-6000d Owner’s Operating Manual 77
PRELIMINARY
Image geometry is incorrect. • Incorrect aspect ratio
selection.
• Select the aspect ratio that
best matches the source
image and screen size
(refer to Table 4-1).
The projected image is
trapezoidal in shape.
• The projector is not
perpendicular to the
screen.
• Adjust the projection angle
or apply keystone
correction (refer to
Display Device on
page 62).
The projector will not turn
back on after it was powered
down, or the image
disappears during operation.
• The projector will not turn
on for two minutes after
power-down, to protect
the lamp.
• The lamp has failed or
reached its usage limit of
2000 hours.
• Wait two minutes until the
LED at the front of the
DHD Controller turns red.
• Replace the lamp.
Table 5-1. Troubleshooting Chart (continued)Symptom Possible Cause(s) Solution