Runco LS-5, LS-3 Troubleshooting Tips, Troubleshooting Chart, Symptom Possible Causes Solution

Maintenance and Troubleshooting

5.2

Troubleshooting Tips

Table 5-1provides 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		Possible Cause(s)		Solution
The projector does not turn	•	The LS-3/LS-5 is not	• Ensure that the LS-3/LS-5
on.		plugged in or the AC outlet		is plugged in and that the
		is not active.		AC outlet is active.
	• Lamp cover is not securely		• Securely attach the lamp
		attached.		cover.
The projector does not turn	•	The projector will not turn	• Wait until the LS-3/LS-5
back on after it was powered		on for two minutes after		completes its cool-down
off.		power-off, to protect the		(POWER LED lights solid
		lamp.		green).
The remote control does not	•	The batteries have run out.	•	Replace the batteries.
work correctly.	•	IR code set mismatch	• Press and hold the LIGHT
		between remote control		and ENTER remote
		unit and projector.		control buttons
				simultaneously until the
				remote control
				back-lighting “blinks”
				(approximately five
				seconds). Then, try again.
The projector is on and OSD	•	Incorrect source selection.	• Select the correct source.
menus appear, but there is no	•	Source component is not	• Turn on the source.
video image on-screen.		turned on.
	•	Source component is	•	Check cable connection
		connected incorrectly or		from source component to
		not at all.		projector.
A projected image from a	•	DVD player is connected	• Turn off progressive scan
DVD is split or otherwise		to the Component input		on the DVD player.
scrambled.		and set to progressive
		scan mode.
Image is blurred.	•	The lens is not correctly	•	Adjust the focus.
		focused.
Image is too bright and/or	•	Contrast is set too high.	• Lower the contrast setting.
lacks definition in the bright
areas of the image.
Image appears “washed out”	•	Brightness is set too high.	•	Lower the brightness
and/or dark areas appear too				setting.
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.

68 Runco LS-3/LS-5 Installation/Operation Manual