Runco LS-3 User Manual

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. 

The projector does not turn 
on. 

• The LS-3/LS-5 is not 

plugged in or the AC outlet 
is not active. 

• Lamp cover is not securely 

attached. 

• Ensure that the LS-3/LS-5 

is plugged in and that the 
AC outlet is active. 

• Securely attach the lamp 

cover.

The projector does not turn 
back on after it was powered 
off. 

• The projector will not turn 

on for two minutes after 
power-off, to protect the 
lamp. 

• Wait until the LS-3/LS-5 

completes its cool-down 
(POWER LED lights solid 
green). 

The remote control does not 
work correctly. 

• The batteries have run out. 
• IR code set mismatch 

between remote control 
unit and projector. 

• 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. 

The projector is on and OSD 
menus appear, but there is no 
video image on-screen. 

• Incorrect source selection.
• Source component is not 

turned on. 

• Source component is 

connected incorrectly or 
not at all. 

• Select the correct source. 
• Turn on the source. 

• Check cable connection 

from source component to 
projector. 

A projected image from a 
DVD is split or otherwise 
scrambled. 

• DVD player is connected 

to the Component input 
and set to progressive 
scan mode. 

• Turn off progressive scan 

on the DVD player. 

Image is blurred. 

• The lens is not correctly 

focused. 

• Adjust the focus. 

Image is too bright and/or 
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. 

• Brightness is set too high.

• Lower the brightness 

setting.