NEC LT75Z - Manual (Page 35)

E-35
Power/Status Light Messages
Standby
Cooling down
Lamp in Normal mode
Lamp in Eco mode
Retrying to turn on lamp
One minute after lamp is turned
on
Lamp has reached its end of life
(Normal: 1000 hours or over)
(Eco: 1500 hours or over)
Lamp life has reached its end of
life
(Normal: 1100 hours or over)
(Eco: 1600 hours or over)
Lamp cover error
Temperature error
Fan error
Lamp error
Condition
Steady orange
Blinking green
Steady green
Steady green
Steady green
Blinking green
Steady green
Steady orange
Steady orange
Steady orange
Steady orange
Steady orange
–
–
–
Steady green
Blinking orange
No light in Normal mode / Steady
green in Eco mode
Steady red
Steady red
Blinking red (1 sec interval)
Blinking red (4 sec interval)
Blinking red (8 sec interval)
Blinking red (12 sec interval)
–
Blinks green for 90 seconds
–
–
The projector retries 3 times at an interval of 15
sec for max. 45 sec)
–
Message appears on screen during 1000-1100
hours (1500-1600 hours: Eco mode) of lamp us-
age. The projector reaches its end of life. Please
replace the lamp as soon as possible
The projector is in standby mode and cannot
be turned on.
The projector is in standby mode and cannot
be turned on.
The projector is in standby mode and cannot
be turned on.
The projector is in standby mode and cannot
be turned on.
The projector is in standby mode and cannot
be turned on.
Power Indicator Status Indicator Note
5. TROUBLESHOOTING
This section helps you resolve problems you may encounter while setting up or using the projector.
Common Problems & Solutions
Does not turn on
No picture
Image isn’t square to the screen
Picture is blurred
Image is scrolling vertically, hori-
zontally or both
Remote control does not work
Status indicator is lit or blinking
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 is installed correctly. See page E-34.
• Check to see if the projector has overheated or the lamp usage exceeds 1100 hours. If there is insuffi-
cient ventilation around the projector or if the room where you’re presenting is particularly warm, move
the projector to a cooler location.
• Use the menu to select your source (Video, S-Video or RGB). See page E-27.
• Ensure your cables are connected properly.
• Use menus to adjust the brightness and contrast. See page E-27.
• Remove the lens cap.
• Reset the settings or adjustments to factory preset levels using the Factory Default in the Adjustment
Menu. See page E-29.
• Reposition the projector to improve its angle to the screen. See page E-22.
• Use the Keystone in the Adjustment Menu to correct the trapezoid distortion. See page E-27.
• Adjust the focus. See page E-22.
• Reposition the projector to improve its angle to the screen. See page E-22.
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
See page E-14.
• Use menus or 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.
• See the 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/
Clock in the Image Options. See page E-29 or E-32.
Problem Check These Items