185
8
. Appendix
Common Problems & Solutions
(
→
“Power/Status/Lamp Indicator” on page
.)
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� (
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)
• Ensure that the lamp cover is installed correctly. (
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page
• 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�
•
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/1700 meters
or higher� Using the projector at altitudes approximately 5500 feet/1700 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� (
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)
If you turn on the projector immediately after the lamp is turned off, the fans run without displaying an image for
some time and then the projector will display the image� Wait for a moment�
Will turn off
• Ensure that the [OFF TIMER], [AUTO POWER OFF] or [PROGRAM TIMER] is off. (
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page
No picture
• Check if the appropriate input is selected. (
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page
) 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. (
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page
• Ensure that the lens cover is open. (
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)
• Reset the settings or adjustments to factory preset levels using the [RESET] in the Menu. (
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)
• Enter your registered keyword if the Security function is enabled. (
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page
• If the HDMI input or the DisplayPort 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�
•
Be sure to connect the projector and notebook PC while the projector is in standby mode and before turning 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�
• See also the page
Picture suddenly
becomes dark
• Check if the projector is in the Forced ECO mode because of too high ambient temperature. If this is the case, lower
the internal temperature of the projector by selecting [HIGH] for [FAN MODE]� (
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page
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]. (
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page
Image isn’t square to
the screen
• Reposition the projector to improve its angle to the screen. (
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page
• Perform [GEOMETRIC CORRECTION] when the trapezoid is distorted. (
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page
Picture is blurred
• Adjust the focus. (
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page
• Reposition the projector to improve its angle to the screen. (
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page
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
(
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)
• Has the lens been shifted by an amount exceeding the guaranteed range? (
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page
• 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�
Flicker appears on
screen
• Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately 5500
feet/1700 meters or lower� Using the projector at altitudes less than approximately 5500 feet/1700 meters and setting
to [HIGH ALTITUDE] can cause the lamp to overcool, causing the image to flicker� Switch [FAN MODE] to [AUTO]�
(
→
)
Image is scrolling
vertically, horizontally
or both
• Check the computer’s resolution and frequency. Make sure that the resolution you are trying to display is supported
by the projector� (
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page
• Adjust the computer image manually with the Horizontal/Vertical in the [IMAGE OPTIONS]. (
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)
Remote control does
not work
• Install new batteries. (
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page
• Make sure there are no obstacles between you and the projector.
• Stand within 40 m/1575 inch of the projector. (
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page
Indicator is lit or
blinking
•
See the POWER/STATUS/LAMP Indicator� (
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page
