Sanyo EF30NL Owners Manual - Page 46

APPENDIX TROUBLESHOOTING Before calling your dealer or service center for assistance, check matters below once again. 1. Make sure you have connected a projector to your computer or video equipment as described in section "CONNECTING PROJECTOR" on pages 12 - 15. 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, re-start your computer. 5. If an image still does not appear, unplug a projector from your computer and check your computer monitor's display.Problem may be with your graphics controller rather than with a projector. (When you reconnect a projector, be sure to turn a computer and monitor off before you power up a projector. Power equipment back on in order of : Projector and computer.) 6. If problem still exists, check following chart. Problem: No power. Try these Solutions • Plug a projector into your AC outlet. • Turn MAIN ON/OFF switch to ON. • Press POWER ON/OFF switch to ON. • Make sure READY Indicator lights. • Wait 90 seconds after a projector is turned OFF when turning a projector back on. NOTE : After pressing Power ON-OFF button to OFF, make sure a projector works as 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 ON-OFF button. Image is out of focus. Picture is Left/Right reversed. Picture is Top/Bottom reversed. Some displays are not seen during Operation. No image. • Check WARNING TEMP. indicator. If indicator flashes red, a projector cannot be turned on. (See "TURNING ON/OFF PROJECTOR" section on page 21.) • Check Projection Lamp. (Refer to page 45.) • Adjust focus of a 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. • Check Ceiling / Rear feature. (See "SETTING" section on page 39.) • Check Ceiling feature. (See "SETTING" section on page 39.) • Check Display feature.(See "SETTING" section on page 39.) • Check connection between your computer or video equipment and a projector. • When turning a projector on, it takes about 30 seconds to display an image. • Check system that you select is corresponding with your computer or video equipment. • Make sure temperature is not out of Operating Temperature (5°C - 35°C). No sound. • Check audio cable connection from audio input source. • Adjust audio source. • Press VOLUME (+) button. • Press MUTE button. 46