2 troubleshooting tips, Table 5-1 . troubleshooting chart, Troubleshooting tips – Runco CL-610 User Manual
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Maintenance and Troubleshooting
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Runco CL-610 Series Owner’s Operating Manual
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5.2 
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may 
encounter with the CL-610. 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
Possible Cause(s)
Solution
The projector does not turn 
on. 
• The CL-610 is not plugged
in or the AC outlet is not 
active. 
• The main power switch (at
the rear of the projector) is 
off. 
• Lamp cover is not securely
attached.
• Ensure that the CL-610 is
plugged in and that the AC 
outlet is active. 
• Turn on the power switch.
• 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 CL-610
completes its cool-down 
(POWER LED lights solid 
orange). 
The remote control does not 
work correctly. 
• The batteries have run out.
• Replace the batteries.
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 by turning
the focus ring.
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.
Colors in the image are 
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-610.
• Ensure that the source
outputs are connected to 
the correct CL-610 input. 
TEMP and LAMP LEDs are 
both flashing red. 
• The lamp cover is open.
• Fans are not working 
properly.
• Close the lamp cover.
• Please contact your Runco 
dealer for assistance.
