APPENDIX
TROUBLESHOOTING
Before calling your dealer or service center for assistance, check the following:
1.Make sure you have connected a projector to your computer or video equipment as described in the section "CONNECTING PROJECTOR" on pages 11 ~ 13.
2.Check cable connection. Verify that all computer, video and power cord are properly connected.
3.Verify that all power is switched on.
4.If a projector still does not produce an image,
5.If an image still does not appear, unplug a projector from your computer and check your computer monitor's display. The problem may be with your graphics controller rather than with a projector. (When you reconnect a projector, be sure to turn the computer and monitor off before you power up the projector. Power the equipment back on in order of : Projector and computer.)
6.If the problem still exists, check the following chart.
Problem: | Try these Solutions | |
No power. | ● Plug a projector into your AC outlet. | |
| ● Make sure READY Indicator lights. | |
| ● Wait 90 seconds after a projector is turned OFF before turning the projector back on. | |
| NOTE : After pressing Power | |
| follows: | |
| 1. LAMP indicator lights bright and READY indicator turns off. | |
| 2. After 90 seconds, READY indicator lights green again and a projector may be | |
| turned on by pressing Power | |
| ● Check WARNING TEMP. indicator. If the indicator flashes red, the projector cannot be | |
| turned on. | |
| (See "TURNING ON/OFF PROJECTOR" section on page 19.) | |
| ● Check Projection Lamp. (Refer to page 37.) | |
|
| |
Image is out of | ● Adjust focus of a projector. | |
focus. | ● Make sure a projection screen is at least 5.3’ (1.6m) from the projector. | |
● Check Projection Lens to see if it needs cleaning. | ||
| ||
| NOTE : Moving a projector from a cool temperature location to a warm temperature location | |
| may result in moisture condensation on Projection Lens. In such an event, leave a | |
| projector OFF and wait until condensation disappears. | |
|
| |
Picture is Left/Right | ● Check Ceiling / Rear feature. (See “SETTING” section on page 35.) | |
reversed. |
| |
|
| |
Picture is | ● Check Ceiling feature. (See “SETTING” section on page 35.) | |
Top/Bottom |
| |
reversed. |
| |
|
| |
Some displays are | ● Check Display feature.(See “SETTING” section on page 35.) | |
not seen during the |
| |
Operation. |
| |
|
| |
No image. | ● Check the connection between your computer or video equipment and a projector. | |
| ● Check NO SHOW function. (Refer to page 21.) | |
| ● When turning a projector on, it takes about 30 seconds to display an image. | |
| ● Check the system that you select is corresponding with your computer or video | |
| equipment. | |
| ● Make sure the temperature is not out of the Operating Temperature (5°C ~ 35°C). | |
|
| |
No sound. | ● Check audio cable connection from audio input source. | |
| ● Adjust the audio source. | |
| ● Press VOLUME (+) button. | |
| ● Press MUTE button. | |
|
|
41
