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| 7. Appendix |
Common Problems & Solutions (→ “Power/Status/Lamp Indicator” on page 73.) | ||
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 |
or shut down |
| control is on. (→ pages 17 and 18) |
| • Ensure that the lamp cover is installed correctly. (→ page 72) | |
| • Check to see if the projector has overheated. If there is insufficient ventilation around the projector or if the | |
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| 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. | |
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| If so, replace the lamp. After replacing the lamp, reset the lamp hours used. (→ page 68) |
| • | 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 |
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| meters or higher. Using the projector at altitudes approximately 5500 feet/1700 meters or higher without setting |
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| to [HIGH ALTITUDE] can cause the projector to overheat and the projector could shut down. If this happens, |
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| wait a couple minutes and turn on the projector. (→ page 61) |
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| If you turn on the projector immediately after the lamp is turned off, the fans run without displaying an image |
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| 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 63, 64) |
No picture | • | Use the COMPUTER1, the VIDEO or the |
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| puter, Video or |
| • Ensure your cables are connected properly. | |
| • Use menus to adjust the brightness and contrast. (→ page 49) | |
| • Remove the lens cap. | |
| • Reset the settings or adjustments to factory preset levels using the [RESET] in the Menu. (→ page 68) | |
| • 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 | |
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| on the power to the notebook PC. |
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| In most cases the output signal from the notebook PC is not turned on unless connected to the projector before |
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| being powered up. |
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| * If the screen goes blank while using your remote control, it may be the result of the computer’s |
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| or power management software. |
| • See also the next page. | |
Picture suddenly be- | • | Check if the projector is in the Forced ECO mode because of too high ambient temperature. If this is the case, lower |
comes dark |
| the internal temperature of the projector by selecting [HIGH] for [FAN MODE]. (→ page 61) |
Color tone or hue is | • | Check if an appropriate color is selected in [WALL COLOR]. If so, select an appropriate option. (→ page 55) |
unusual | • | Adjust [HUE] in [PICTURE]. (→ page 49) |
Image isn’t square to the | • | Reposition the projector to improve its angle to the screen. (→ page 21) |
screen | • | Use the Keystone correction function to correct the trapezoid distortion. (→ page 24) |
Picture is blurred • Adjust the focus. (→ page 23)
•Reposition the projector to improve its angle to the screen. (→ page 21)
•Ensure that the distance between the projector and screen is within the adjustment range of the lens.
(→ page 10)
•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 |
screen | 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]. (→ page 61) |
Image is scrolling ver- | • Check the computer's resolution and frequency. Make sure that the resolution you are trying to display is sup- |
tically, horizontally or | ported by the projector. (→ page 80) |
both | • Adjust the computer image manually with the Horizontal/Vertical in the [IMAGE OPTIONS]. (→ page 52) |
Remote control does | • Install new batteries.(→ page 8) |
not work | • Make sure there are no obstacles between you and the projector. |
| • Stand within 22 feet (7 m) of the projector. (→ page 8) |
| • Make sure that the remote control's ID corresponds with the projector's ID. (→ page 60) |
Indicator is lit or blink- | • See the POWER/STATUS/LAMP Indicator. (→ page 73) |
ing |
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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 |
| 51) |
LAN control is not ac- | • Make sure that [CONTROL TERMINAL] is set correctly. (→ page 64) |
tive or PC Control is not |
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active |
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Cannot control the pro- | • Check to see if [STANDBY MODE] is set to |
jector from external | 63) |
equipment |
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3D picture is not dis- | • See "Troubleshooting on viewing 3D images" on page 42. |
play |
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For more information contact your dealer.
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