Troubleshooting Tips - Runco LS-3 Series Installation & Operation Manual

Maintenance and Troubleshooting
5.2

Troubleshooting Tips

Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the LS-3/LS-5. If the suggested solutions fail to resolve the problem or if
you encounter an issue not described here, please contact Runco Technical Support.
Table 5-1. Troubleshooting Chart
Symptom
The projector does not turn
on.
The projector does not turn
back on after it was powered
off.
The remote control does not
work correctly.
The projector is on and OSD
menus appear, but there is no
video image on-screen.
A projected image from a
DVD is split or otherwise
scrambled.
Image is blurred.
Image is too bright and/or
lacks definition in the bright
areas of the image.
Image appears "washed out"
and/or dark areas appear too
bright.
Note: You can obtain more detailed information about the cause of the error condition using
RS-232 commands. Refer to RS-232 Error Codes on page 82 for more information.
Possible Cause(s)
• The LS-3/LS-5 is not
plugged in or the AC outlet
is not active.
• Lamp cover is not securely
attached.
• The projector will not turn
on for two minutes after
power-off, to protect the
lamp.
• The batteries have run out.
• IR code set mismatch
between remote control
unit and projector.
• Incorrect source selection.
• Source component is not
turned on.
• Source component is
connected incorrectly or
not at all.
• DVD player is connected
to the Component input
and set to progressive
scan mode.
• The lens is not correctly
focused.
• Contrast is set too high.
• Brightness is set too high.
68 Runco LS-3/LS-5 Installation/Operation Manual
Solution
• Ensure that the LS-3/LS-5
is plugged in and that the
AC outlet is active.
• Securely attach the lamp
cover.
• Wait until the LS-3/LS-5
completes its cool-down
(POWER LED lights solid
green).
• Replace the batteries.
• Press and hold the LIGHT
and ENTER remote
control buttons
simultaneously until the
remote control
back-lighting "blinks"
(approximately five
seconds). Then, try again.
• Select the correct source.
• Turn on the source.
• Check cable connection
from source component to
projector.
• Turn off progressive scan
on the DVD player.
• Adjust the focus.
• Lower the contrast setting.
• Lower the brightness
setting.