NEC LT280, LT380 11), mode, work, Problem, unusual, or both, not work, blinking, page 31), No picture, the screen, 8. Appendix, Will turn off, Does not turn on

	8. Appendix
Common Problems & Solutions (→ "Power/Status/Lamp Indicator" on page 107)
Problem	Check These Items
Does not turn on	• Check that the power cable is plugged in and that the power button on the projector cabinet or the remote
	control is on. (→ page 23, 24)
	• Ensure that the lamp cover is installed correctly. (→ page 105)
	• Check to see if the projector has overheated. If there is insufficient ventilation around the projector or if the
	room where you are presenting is particularly warm, move the projector to a cooler location.
	• Check to see if the lamp usage exceeds 2100 hours (up to 3100 hours : Eco mode). If so, replace the lamp.
	After replacing the lamp, reset the lamp hours used. (→ page 101)
	• The lamp may fail to light. Wait a full minute and then turn on the power again.
Will turn off	• Ensure that the Power Management or Off Timer is off. (→ page 94, 96)
No picture	• Use the SOURCE button on the projector cabinet or the VIDEO, the S-VIDEO, the COMPUTER 1, the COM-
	PUTER 2, the COMPUTER 3 (LT380 only), COMPONENT, the VIEWER or the LAN button on the remote control
	to select your source. (→ page 26)
	• Ensure your cables are connected properly.
	• Use menus to adjust the brightness and contrast. (→ page 71)
	• Check to see if the image is muted. (→ page 34)
	• Remove the lens cap.
	• Reset the settings or adjustments to factory preset levels using the Reset in the Menu. (→ page 101)
	• Enter your registered keyword if the Security function is enabled. (→ page 42)
	• Be sure to connect the projector and notebook PC while the projector is in standby mode and before turning on
	the power to the notebook PC.
	In most cases the output signal from the notebook PC is not turned on unless connectedto the projector be-
	fore being powered up.
	* If the screen goes blank while using your remote control, it may be the result of the computer's screen-
	saver or power management software.
	• See also the next page.
Color tone or hue is	• Check if an appropriate color is selected in [Wall Color]. If not, select an appropriate option. (→ page 78)
unusual	• Adjust [Hue] in [Adjust]. (→ page 71)
Image isn’t square to	• Reposition the projector to improve its angle to the screen. (→ page 27)
the screen	• Use the 3DReform function to correct the trapezoid distortion. (→ page 29)
Picture is blurred	• Adjust the focus. (→ page 28)
	• Reposition the projector to improve its angle to the screen. (→ page 27)
	• Ensure that the distance between the projector and screen is within the adjustment range of the lens. (→ page
	11)
	• Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned on.
	Should this happen, let the projector stand until there is no condensation on the lens.
Image is scrolling	• Use the SOURCE button on the projector cabinet or the VIDEO, the S-VIDEO, the COMPUTER 1, the COM-
vertically, horizontally	PUTER 2, the COMPUTER 3 (LT380 only), COMPONENT, the VIEWER or the LAN button on the remote control
or both	to select your source (Video, S-Video, Computer, Component, Viewer or LAN). (→ page 26)
	• Adjust the computer image manually with the [Clock]/[Phase] in [Adjust] → [Image Options]. (→ page 72)
Remote control does	• Install new batteries. (→ page 9)
not work	• Make sure there are no obstacles between you and the projector.
	• Stand within 22 feet (7 m) of the projector. (→ page 9)
Indicator is lit or	• See the POWER/STATUS/LAMP Indicator. (→ page 107)
blinking
Vertical stripes in RGB	• Press the AUTO ADJUST button on the projector cabinet or the AUTO ADJ. button on the remote control. (→
mode	page 31)
	• Adjust the computer image manually with the [Clock]/[Phase] in [Adjust] → [Image Options].(→ page 72)
USB mouse does not	• Make sure that your USB mouse is properly connected to the projector.
work	The projector may not support some brands of a USB mouse.

For more information contact your dealer.

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