NEC LT240 User Manual - Page 125
Common Problems & Solutions, E-125
UPC - 050927238321
View all NEC LT240 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 125 highlights
TROUBLESHOOTING Common Problems & Solutions Problem Does not turn on 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. See pages E-36 and 37. • Ensure that the lamp cover is installed correctly. See page E-120. • Check to see if the projector has overheated or the lamp usage exceeds 1600 hours (up to 2100 hours : Eco mode). If there is insufficient ventilation around the projector or if the room where you're presenting is particularly warm, move the projector to a cooler location. No picture • Use the menu to select your source (RGB 1/2, Video, S-Video, Viewer or LAN). See page E-40. • Ensure your cables are connected properly. • Use menus to adjust the brightness and contrast. See page E-85. • Remove the lens cap. • Reset the settings or adjustments to factory preset levels using the Factory Default in the Adjustment Menu. See page E-117. Image isn't square to the • Reposition the projector to improve its angle to the screen. See page E-42 or 43. screen • Use the 3DReform function to correct the trapezoid distortion. See page E-45. Picture is blurred • Adjust the focus. See page E-44. • Reposition the projector to improve its angle to the screen. See page E-42 or 43. • Ensure that the distance between the projector and screen is within the adjustment range of the lens. See page E-22-26. • 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 vertically, horizontally or both • Use menus or Source button on the remote control or the cabinet to select the source you want to input. Remote control does not work • Install new batteries. See page E-19. • Make sure there are no obstacles between you and the projector. • Stand within 22 feet (7 m) of the projector. See page E-20. • Make sure that you are in the Projector mode and the PJ button lights in red. If not, press the PJ button. See page E-53. Indicator is lit or blink- • See the Status Indicator on pages E-123 and 124. ing Cross color in RGB • If Auto Adjust is off, turn it on or adjust the image manually with the Position/Clock mode in the Image Options. See pages E-87, 88 and 98. 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. E-125