Runco cl-410 User Guide
Runco CL-410 and CL-420 Owner’s Operating Manual
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5.7
Troubleshooting Tips
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the CL-410/CL-420. If you encounter an issue not described here, please
contact your Runco dealer or Runco Technical Support.
encounter with the CL-410/CL-420. If you encounter an issue not described here, please
contact your Runco dealer or Runco Technical Support.
Table 5-1. Troubleshooting Chart
Symptom
Possible Cause(s)
Solution
The projector does not turn
on after initial installation.
on after initial installation.
• The CL-410/CL-420 is not
plugged in or the AC outlet
is not active.
is not active.
• The remote control
batteries have run out.
• Ensure that the
CL-410/CL-420 is plugged
in and that the AC outlet is
active.
in and that the AC outlet is
active.
• Replace the batteries.
The projector is on, but there
is no video image on-screen.
is no video image on-screen.
• Incorrect source selection.
• Source component is not
• Source component is not
turned on.
• Select the correct source.
• Turn on the source
• Turn on the source
component.
A projected image from a
DVD is split or otherwise
scrambled.
DVD is split or otherwise
scrambled.
• DVD player is set to
progressive scan mode.
• Turn off progressive scan
on the DVD player.
• Connect the DVD player to
the HD/RGB 1 or
HD/RGB 2 input.
HD/RGB 2 input.
Image is too bright and/or
lacks definition in the bright
areas of the image.
lacks definition in the bright
areas of the image.
• Contrast is set too high.
• Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
and/or dark areas appear too
bright.
• Brightness is set too high.
• Lower the brightness
setting.
Colors in the image are
swapped; for example, reds
appear blue or vice versa.
swapped; for example, reds
appear blue or vice versa.
• The Red/Pr, Green/Y or
Blue/Pb outputs from the
source are connected to
the wrong inputs on the
CL-410/CL-420.
source are connected to
the wrong inputs on the
CL-410/CL-420.
• Ensure that the source
outputs are connected to
the correct
CL-410/CL-420 input.
the correct
CL-410/CL-420 input.
RGB-HD images appear
“noisy.”
“noisy.”
• Clock and Phase settings
need adjustment.
• Manually adjust Clock and
The projector will not turn
back on after it was powered
down, or the image
disappears during operation.
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.
power-down, to protect
the lamp.
• The lamp has failed or was
improperly installed.
• Wait until the cooling fan
stops.
• Replace or re-install the
lamp.