8. Appendix
Common Problems & Solutions
(→ “Power/Status/Lamp Indicator” on page 127.)
Problem | Check These Items |
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Does not turn on | • Check that the power cord is plugged in and that the power button on the projector cabinet or the remote control |
or shut down | is on. (→ pages 15, 16) |
| • Ensure that the lamp cover is installed correctly. (→ page 122) |
| • Check to see if the projector has overheated. If there is insufficient ventilation around the projector or if the room |
| where you are presenting is particularly warm, move the projector to a cooler location. |
| • Check to see if you continue to use the projector for another 100 hours after the lamp has reached the end of its |
| life. If so, replace the lamp. After replacing the lamp, reset the lamp hours used. (→ page 120) |
| • 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 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. (→ page 87) |
| 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] or [AUTO POWER OFF] is off. (→ page 83, 90) |
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|
No picture | • Use the COMPUTER1, the COMPUTER2, the VIDEO or the |
| source (Computer, Video or |
| • Ensure your cables are connected properly. |
| • Use menus to adjust the brightness and contrast. (→ page 76) |
| • Ensure that the lens cover is open. (→ page 7) |
| • Reset the settings or adjustments to factory preset levels using the [RESET] in the Menu. (→ page 97) |
| • Enter your registered keyword if the Security function is enabled. (→ page 32) |
| • 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 |
| or power management software. |
| • See also the next page. |
|
|
Picture suddenly | • Check if the projector is in the Forced ECO mode because of too high ambient temperature. If this is the case, |
becomes dark | lower the internal temperature of the projector by selecting [HIGH] for [FAN MODE]. (→ page 87) |
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|
Color tone or hue is | • Check if an appropriate color is selected in [WALL COLOR]. If so, select an appropriate option. (→ page 82) |
unusual | • Adjust [HUE] in [PICTURE]. (→ page 76) |
Image isn’t square to | • Reposition the projector to improve its angle to the screen. (→ page 19) |
the screen | • Use the Keystone correction function to correct the trapezoid distortion. (→ page 24) |
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|
Picture is blurred | • Adjust the focus. (→ page 23) |
| • Reposition the projector to improve its angle to the screen. (→ page 19) |
| • Ensure that the distance between the projector and screen is within the adjustment range of the lens. |
| (→ page 101, 102) |
| • 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 | • Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately 5500 |
screen | 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]. (→ page 87) |
|
|
Image is scrolling | • Check the computer’s resolution and frequency. Make sure that the resolution you are trying to display is supported |
vertically, horizontally | by the projector. (→ page 140) |
or both | • Adjust the computer image manually with the Horizontal/Vertical in the [IMAGE OPTIONS]. (→ page 78) |
Remote control does | • Install new batteries.(→ page 11) |
not work | • Make sure there are no obstacles between you and the projector. |
| • Stand within 22 feet (7 m) of the projector. (→ page 11) |
|
|
Indicator is lit or | • See the POWER/STATUS/LAMP Indicator. (→ page 127) |
blinking |
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|
Cross color in RGB | • Press the AUTO ADJ. button on the projector cabinet or the remote control. (→ page 26) |
mode | • Adjust the computer image manually with [CLOCK]/[PHASE] in [IMAGE OPTIONS] in the menu. (→ page 77) |
For more information contact your dealer.
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