NEC LT30 LT30/LT35 UM - Page 59
Problem, Check These Items, For more information contact your dealer. - lamp fails to light
UPC - 050927250361
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7. Appendix Common Problems & Solutions (→ "Power/Status/Lamp Indicator" on page 50.) Problem Does not turn on Will turn off No picture Picture suddenly becomes dark Color tone or hue is unusual Image isn't square to the screen Picture is blurred Image is scrolling vertically, horizontally or both Remote control does not work Indicator is lit or blinking Cross color in RGB mode Check These Items • Check that the power cable is plugged in and that the power button on the projector cabinet or the remote control is on. (→ page 16, 17) • Ensure that the lamp cover is installed correctly. (→ page 48) • 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 2600 hours : Eco mode). If so, replace the lamp. After replacing the lamp, reset the lamp hours used.(→ page 45) • The lamp may fail to light. Wait a full minute and then turn on the power again. • Ensure that the Power Management or Off Timer is off. (→ page 43) • Use the VIDEO, the S-VIDEO or the COMPUTER button on the remote control to select your source (Computer, Video or S-Video). (→ page 19) If there is still no picture, press the button again. • Ensure your cables are connected properly. • Use menus to adjust the brightness and contrast. (→ page 38) • Check to see if the image is muted. (→ page 28) • Remove the lens cap. • Reset the settings or adjustments to factory preset levels using the [Reset] in the Menu. (→ page 45) • Enter your registered keyword if the Security function is enabled. (→ page 28) • 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 connected to the projector before 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. • When one of the following happens, the Lamp mode automatically changes from Normal to Eco. * When there are no signals (blue or black screen) → To return to the Normal mode, select another available source. * When the room where you' re presenting is particularly warm → Move the projector to a cooler location. • Check if an appropriate color is selected in [Wall Color]. If not, select an appropriate option. (→ page 40) • Adjust [Hue] in [Picture]. (→ page 38) • Reposition the projector to improve its angle to the screen. (→ page 20, 21) • Use the Keystone correction function to correct the trapezoid distortion. (→ page 25) • Make sure that focus is appropriate. • Reposition the projector to improve its angle to the screen. (→ page 20, 21) • Ensure that the distance between the projector and screen is within the adjustment range of the lens. (→ page 10) • Make sure that the distance between the focus sensor and the screen is within the effective range of the Auto Focus. (→ page 22) • Make sure that the requirements for the Auto Focus are met. (→ page 22) • 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. • Use the VIDEO, the S-VIDEO or the COMPUTER button on the remote control to select your source (Video, SVideo or Computer). (→ page 19) • Adjust the computer image manually with the Horizontal and Vertical in the [Image Options] → [Position/ Clock]. (→ page 39) • Install new batteries. (→ page 8) • Make sure there are no obstacles between you and the projector. • Stand within 22 feet (7 m) of the projector. (→ page 8) • See the POWER/STATUS/LAMP Indicator. (→ page 50) • Press the AUTO ADJ. button on the projector cabinet or the remote control. (→ page 26) • Adjust the computer image manually with [Clock] and [Phase] in [Image Options] → [Position/Clock] in the menu. (→ page 39) For more information contact your dealer. 51