48AppendixTroubleshootingBefore calling your dealer or service center for assistance, check the items below once again.– Make sure you have properly connected the projector to peripheral equipment as described in “Connecting to VideoEquipment” and “Connecting to a Computer” on pages 16 ~ 17.– Make sure all equipment is connected to an AC outlet and the power is turned on.– When you operate the projector with a computer and it does not project an image, restart the computer.WARNING:High voltages are used to operate this projector. Do not attempt to open the cabinet.If problems still persist after following all operating instructions, contact the dealer where you purchased the projector orservice center. Give the model number and explain about the problem. We will advise you how to obtain service.Problem: – SolutionsNo power. – Plug the power cord of the projector into an AC outlet.– See if the automatic slide shutter is only half-open. When it is half-open, thePOWER indicator blinks orange and the projector cannot be turned on.(See page 18.)– See if the Main On/Off switch is on.– Wait 60 seconds after the projector is turned off to restart the projector. Theprojector can be turned on after the POWER indicator turns red. (See page 19.)– Check the WARNING indicator. If the WARNING indicator lights red, theprojector cannot be turned on. (See page 41.)– Check the projection lamp. (See page 46)– Check if the projector is installed on a flat surface.Image is out of focus. – Adjust the focus of the projector. (See page 22.)– Provide proper distance between the projector and the projection screen.(See page 13.)– Check the projection lens to see if it needs cleaning. (See page 45.)– Moving the projector from a cool to warm place may result in moisturecondensation on the projection lens. In such cases, leave the projector off andwait until condensation evaporates.No image. – Check the connection between your computer or video equipment and theprojector. (See page 16 ~ 17.)– See if the input signal is correctly output from your computer. For some laptopcomputers, the setting for the monitor output needs to to be changed whenconnecting to a projector. See your computer’s instruction manual for thesetting.– It takes about 20 seconds to display an image after turning on the projector.– See if the selected system is corresponding to your computer or videoequipment. (See page 24 ~ 26.)– Select a correct input source once again through Menu operation.(See page 25 ~ 26.)– Make sure the temperature is not out of the specified OperatingTemperature (41°F ~ 95°F (5°C ~ 35°C)).Image is Left/Right reversed. – Check the Mounting/Rear item. (See page 36.)Image is Top/Bottom reversed. – Check the Mounting item. (See page 36.)Some displays are not seen – Check the Display item. (See page 36.)during operations.The Remote Control does not work. – Check the batteries.– Make sure there is no obstruction between the projector and remote control.– Make sure you are not too far from the projector when using the remotecontrol. Maximum operating range is 16.4’ (5 m).– Make sure the code of the remote control is conformed to that of theprojector. (See page 38.)