NEC LT154 - Manual (Page 53)

E – 50
5. TROUBLESHOOTING
This section helps you resolve problems you may encounter while setting up or using the projector.
Power/ Status Light Messages
Common Problems & Solutions
Does not turn on
No picture
Image isn’t square to the
screen
Picture is blurred
Image is scrolling vertically,
horizontally or both
Remote control does not
work
Status indicator is lit or blink-
ing
Cross color in RGB mode
• Check that the power cable is plugged in and that the power button on the projector cabinet or the remote
control is on.
• Ensure that the lamp cover or filter cover is installed correctly. See page E-48 and 49.
• Check to see if the projector has overheated or the lamp usage exceeds 1100 hours (2200 hours in Eco
mode). If there is insufficient ventilation around the projector or if the room where you’re presenting is particu-
larly warm, move the projector to a cooler location.
• Use the menu to select your source (Video, S-Video, RGB (DVI digital or DVI analog on LT156) or PC Card
Viewer). See page E-33.
• Ensure your cables are connected properly.
• Use menus to adjust the brightness and contrast. See page E-33.
• Remove the lens cap.
• Reset the settings or adjustments to factory preset levels using the Factory Default on the Image Options
Menu in Advanced menu. See page E-36.
• Reposition the projector to improve its angle to the screen. See page E-25.
• Use the Keystone to correct the trapezoid distortion. See page E-29 or 34.
• Adjust the focus. See page E-25.
• Reposition the projector to improve its angle to the screen. See page E-25.
• Ensure that the distance between the projector and screen is within the adjustment range of the lens. See
page E-16.
• Use menus or a source button on the remote control or the cabinet to select the source you want to input.
• Install new batteries. See page E-13.
• Make sure there are no obstacles between you and the projector.
• Stand within 22 feet (7 m) of the projector. See page E-13.
• Make sure that you are in the Projector mode or the PJ button lights in red. If not, press the PJ button.
• See the Power/ Status Light messages above.
• If Auto Adjust is off, turn it on. If Auto Adjust is on, turn it off and balance the image with the Position and Clock
Adjust on the Advanced Options Menu. See page E-35.
Problem Check These Items
Standby
Cooling down
Lamp in High-Bright mode
Lamp in Eco mode
Retrying to turn on lamp
One minute after lamp is turned on
3 minutes after lamp is turned on in
Eco mode
Lamp has reached its end of life
(1000 hours or over)
Lamp life has reached its end of life
(1100 hours or over)
Lamp or filter cover error (2 locations)
Fan error
Lamp error
Temperature error
Condition
Steady orange
Blinking green
Steady green
Steady green
Steady green
Blinking green
Steady green
Steady green
Steady orange
Steady orange
Steady orange
Steady orange
Steady orange
–
–
–
Steady green
Blinking orange
No light in High-Bright mode
Blinking green in Eco mode
Blinking green
Steady red (High-Bright mode)/
Steady orange (Eco mode)
Steady red
Blinking red (1 sec interval)
Blinking red (8 sec interval)
Blinking red (12 sec interval)
Blinking red (4 sec interval)
–
Blinks green for 60 seconds
–
–
The projector retries 3 times at an inter-
val of 15 sec for max. 45 sec)
–
Fixed at High-Bright mode. Lamp mode
can be changed on the menu
Message appears on screen during 1000-
1100 hours of lamp usage. The projector
reaches its end of life. Please replace the
lamp as soon as possible
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
Power Indicator Status Indicator Note