NEC NP3150 User Manual page 148

Common Problems & Solutions
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
• Ensure that the lamp cover is installed correctly. (
• Check to see if the projector has overheated. If there is insufficient ventilation around the projector or if the
• Check to see if you continue to use the projector for another 100 hours after the lamp has reached the end
• The lamp may fail to light. Wait a full minute and then turn on the power again.
• Set [FAN MODE] to [HIGH ALTITUDE] when using the projector at altitudes approximately 5500 feet/1600
Will turn off • Ensure that the Power Management, Off Timer is off. (
No picture • Use the SOURCE button on the projector cabinet or the VIDEO, the S-VIDEO, the COMPUTER 1, the COM-
• Ensure your cables are connected properly.
• Use menus to adjust the brightness and contrast. (
• Check to see if the image is muted. (
• Remove the lens cap.
• Reset the settings or adjustments to factory preset levels using the Reset in the Menu. (
• Enter your registered keyword if the Security function is enabled. (
• Be sure to connect the projector and notebook PC while the projector is in standby mode and before turn-
• 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. (
unusual • Adjust [HUE] in [ADJUST]. (
Image isn't square to • Reposition the projector to improve its angle to the screen. (
the screen • Use the 3DReform function to correct the trapezoid distortion. (
Picture is blurred • Adjust the focus. (
• Reposition the projector to improve its angle to the screen. (
• Ensure that the distance between the projector and screen is within the adjustment range of the lens. (
• Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned
Flicker appears on • Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately
screen
Image is scrolling • Use the SOURCE button on the projector cabinet or the VIDEO, the S-VIDEO, the COMPUTER 1, the COM-
vertically, horizontally or
both
• Adjust the computer image manually with the [CLOCK]/[PHASE] in [ADJUST]
Remote control does • Install new batteries. (
not work • Make sure there are no obstacles between you and the projector.
• Stand within 22 feet (7 m) of the projector. (
• Check if one or more remote sensors are enabled. Select [SETUP]
• If the remote control cable plug is inserted into the REMOTE mini jack, the remote control does not function
Indicator is lit or blink- • See the POWER/STATUS/LAMP Indicator. (
ing
Vertical stripes in RGB • Press the AUTO ADJUST button on the projector cabinet or the AUTO ADJ. button on the remote control. (
T H E T R U S T E D S O U R C E F O R P R O J E C T O R L A M P S A N D A C C E S S O R I E S
mode
• Adjust the computer image manually with the [CLOCK]/[PHASE] in [ADJUST]
USB mouse does not • Make sure that your USB mouse is properly connected to the projector. (
work
• Some menu items cannot be operated with a USB mouse.
P
control is on. ( page 22, 23)
room where you are presenting is particularly warm, move the projector to a cooler location.
of its life. If so, replace the lamp.
After replacing the lamp, reset the lamp hours used. (
meters or higher. Using the projector at altitudes approximately 5500 feet/1600 meters or higher without
setting to [HIGH ALTITUDE] can cause the projector to overheat and the projector could shut down. If this
happens, wait a couple minutes and turn on the projector. (
Also when the lamp is turned off, the projector internal temperature is hot. If the power is turned on before
the projector has cooled down, the fan will run a short time before the lamp will turn on.
PUTER 2, the COMPUTER 3, the COMPONENT, the VIEWER or the NETWORK button on the remote control
to select your source. ( page 25)
ing 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.
page 81)
page 28)
page 127, 129)
on. Should this happen, let the projector stand until there is no condensation on the lens.
5500 feet/1600 meters or lower. Using the projector at altitudes less than approximately 5500 feet/1600
meters and setting to [HIGH ALTITUDE] can cause the lamp to overcool, causing the image to flicker.
Switch [FAN MODE] to [AUTO]. (
PUTER 2, the COMPUTER 3, the COMPONENT, the VIEWER or the NETWORK button on the remote control
to select your source (Video, S-Video, Computer, Component, Viewer or NETWORK). (
page 10)
SOR] from the menu. See page 114.
wirelessly. See page 11.
page 32)
The projector may not support some brands of a USB mouse.
page 126)
page 121)
page 115)
page 92, 115)
page 81)
page 35)
page 45)
page 26)
page 30)
page 26)
page 115)
page 10)
page 132)
133
9. Appendix
page 121)
page 91)
page 25)
[IMAGE OPTIONS]. ( page 82)
[INSTALLATION] [REMOTE SEN-
[IMAGE OPTIONS]. ( page 82)
page 37)