Runco CL-510LT User Manual

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6. Additional Information
Runco CL-510/ CL-510LT User’s Manual
28
Troubleshooting
7.
Put on the front 
lamp cover.
8.
Tighten the screw of 
front lamp cover.
9.
 Turn on the power and 
go into the Set Up menu 
to reset the "Lamp 
Timer" item.
Problem
Possible Cause
Remedy
This unit does not 
turn on.
There is no power from power cable.
Plug the power cord into the AC inlet on the 
rear of this unit, and plug the power cord into 
to the power inlet.
The power switch is not turned on.
Turn on the power switch.
Turn on this unit again within the 
cooling down procedure.
Wait until this unit completes the cooling down 
procedure.
Front lamp cover is not attached well.
Correctly attach the front lamp cover.
No picture
The front lamp cover is not correctly 
attached.
Correctly attach the front lamp cover.
This unit is not correctly connected to 
the input source device.
Check the connection.
The input signal has not been correctly 
selected.
Select the correct input signal with the input 
keys: Video, S-Video, Component, Component 
HD, RGB HD and DVI-I on the remote control.
POWER LED or LAMP LED blinking.
Please contact your Runco dealer for 
assistance.
Image is unstable
The connection cables are not 
connected to this unit.
Correctly connect the cables to the 
appropriate terminals.
Picture is blurred
The projection lens is not correctly 
focused.
Adjust the focus of projection lens with the 
focus ring.
This unit and the screen are not 
aligned squarely.
Adjust the projection angle and direction, and 
the height of this unit.
Remote control does 
not work correctly
The batteries are exhausted.
 Replace both batteries with new ones.
LAMP LED blinks in 
red
The front lamp cover is not correctly 
attached.
Correctly attach the front lamp cover.
The cooling fan does not work well.
Please contact your Runco dealer for 
assistance.
The temperature inside this unit is 
extremely high.
Check that the ventilation holes are not 
blocked.
POWER LED blinks in 
orange and green 
sequentially
The lamp has exceed its specified 
usage hours.
Replace the lamp with a new one.
The lamp has burned out.
Replace the lamp with a new one.