NEC NP-PA1505UL-W User Manual - Page 75

Common Problems & Solutions, Problem, Check These Items

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Common Problems & Solutions 3. Appendix Problem Does not turn on or shut down 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 Check These Items • Check that the power cord is plugged in and that the power button on the projector cabinet or the remote control is on. • Check to see if the projector has temperature error, If projector inside temperature is too hot or cool, it disabled to turn on the projector as the protection.Wait for a moment and try turn on the projector again. • In case it's hard to think the trouble is not caused on the above mentioned conditions, unplug the power cord from the outlet. Then wait 5 minutes before plugging it in again. • Ensure that the [OFF TIMER], [AUTO POWER OFF] or [PROGRAM TIMER] is off. • Check if the appropriate input is selected. If there is still no picture, press the INPUT button or one of the input buttons again. • Ensure your cables are connected properly. • Use menus to adjust the brightness and contrast. • Is the [POWER ON SHUTTER] in the on-screen menu set to [CLOSE]? • Check that the SHUTTER CLOSE button is not pressed. • 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. • If the HDMI input signal cannot be displayed, try the following. Reinstall your driver for the graphics card built in your computer, or use the updated driver. For reinstalling or updating your driver, refer to the user guide accompanied with your computer or graphics card, or contact the support center for your computer manufacturer. Install the updated driver or OS on your own responsibility. We are not liable for any trouble and failure caused by this installation. • The signal may not be supported depending on the HDBaseT transmission device. In addition, RS232C interface may not be supported. • If the projector is kept in sleep mode or other similar state, the temperature of the internal components could rise even when the projector is being used within its normal operating temperate. If the power is ON when that occurs, the cooling fan will turn on and it will take a little bit of time before the image is projected. Please wait for a while. • A hot room may trigger the projector's protection functions, which can result in a temporary reduction in luminance (brightness). Reduce the temperature in the room. • Check if an appropriate color is selected in [WALL COLOR]. If so, select an appropriate option. • Adjust [HUE] in [PICTURE]. • Reposition the projector to improve its angle to the screen. • Perform [GEOMETRIC CORRECTION] when the trapezoid is distorted. • 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. • Has the lens been shifted by an amount exceeding the guaranteed range? • 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. 44

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3. Appendix
44
Common Problems & Solutions
Problem
Check These Items
Does not turn on or shut
down
•
Check that the power cord is plugged in and that the power button on the projector cabinet or the
remote control is on.
•
Check to see if the projector has temperature error, If projector inside temperature is too hot or cool,
it disabled to turn on the projector as the protection. Wait for a moment and try turn on the projector
again.
•
In case it’s hard to think the trouble is not caused on the above mentioned conditions, unplug the
power cord from the outlet. Then wait 5 minutes before plugging it in again.
Will turn off
•
Ensure that the [OFF TIMER], [AUTO POWER OFF] or [PROGRAM TIMER] is off.
No picture
•
Check if the appropriate input is selected. If there is still no picture, press the INPUT button or one of
the input buttons again.
•
Ensure your cables are connected properly.
•
Use menus to adjust the brightness and contrast.
•
Is the [POWER ON SHUTTER] in the on-screen menu set to [CLOSE]?
•
Check that the SHUTTER CLOSE button is not pressed.
•
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.
•
If the HDMI
input
signal cannot be displayed, try the following.
Reinstall your driver for the graphics card built in your computer, or use the updated driver.
For reinstalling or updating your driver, refer to the user guide accompanied with your computer or
graphics card, or contact the support center for your computer manufacturer.
Install the updated driver or OS on your own responsibility.
We are not liable for any trouble and failure caused by this installation.
•
The signal may not be supported depending on the HDBaseT transmission device. In addition, RS232C
interface may not be supported.
•
If the projector is kept in sleep mode or other similar state, the temperature of the internal compo-
nents could rise even when the projector is being used within its normal operating temperate. If the
power is ON when that occurs, the cooling fan will turn on and it will take a little bit of time before
the image is projected. Please wait for a while.
Picture suddenly becomes
dark
•
A hot room may trigger the projector's protection functions, which can result in a temporary reduction
in luminance (brightness). Reduce the temperature in the room.
Color tone or hue is unusual
•
Check if an appropriate color is selected in [WALL COLOR]. If so, select an appropriate option.
•
Adjust [HUE] in [PICTURE].
Image isn’t square to the
screen
•
Reposition the projector to improve its angle to the screen.
•
Perform [GEOMETRIC CORRECTION] when the trapezoid is distorted.
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.
•
Has the lens been shifted by an amount exceeding the guaranteed range?
•
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.