9. Appendix
183
Common Problems & Solutions
(
→
“Indicator Message” on page
191
.)
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. (
→
pages
17
,
20
)
• 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. (
→
page
37
)
Will turn off
• Ensure that the [OFF TIMER], [AUTO POWER OFF] or [PROGRAM TIMER] is off. (
→
page
133
,
154
)
No picture
• Check if the appropriate input is selected. (
→
page
23
) 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. (
→
page
100
)
• 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. (
→
page
155
)
• Enter your registered keyword if the Security function is enabled. (
→
page
50
)
• 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.
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. (
→
page
126
)
• Adjust [HUE] in [PICTURE]. (
→
page
100
)
Image isn’t square to the
screen
• Reposition the projector to improve its angle to the screen. (
→
page
26
)
• Perform [GEOMETRIC CORRECTION] when the trapezoid is distorted. (
→
page
45
)
Picture is blurred
• Adjust the focus. (
→
page
29
)
• Reposition the projector to improve its angle to the screen. (
→
page
26
)
• Ensure that the distance between the projector and screen is within the adjustment range of the
lens. (
→
page
171
)
• Has the lens been shifted by an amount exceeding the guaranteed range? (
→
page
175
)
• 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.