Troubleshooting94 - ENGLISHMaintenanceTroubleshootingRe-confirm these points.See the relevant page for details.Problem Cause PagePower does not turnon.z The power cord may not be connected.z The switch is turned .z The wall outlet may not be supplying electricity.z The circuit breakers may have tripped.z indicator or indicator is illuminated or flashes.z The lamp unit may not have been installed correctly.2829——85, 8691No picture appears.z The signal input source may not be connected to a terminal properly.z The input selection setting may not be correct.z The [BRIGHTNESS] adjustment setting may be at the minimum setting.z The external device connected to the projector may not be functioning correctly.z The [BLANK] function may be in use.z The lens cover may still be attached to the lens.263440—8319The picture is fuzzy.z The lens focus may not have been set correctly.z The projector may not be at the correct distance from the screen.z The lens may be dirty.z The projector may be over tilted.73221922The color is pale orgrayish.z [COLOR] and [TINT] may not be adjusted correctly.z The device connected to the projector may not be adjusted correctly.40—The remote controldoes not work.z The batteries may have run out.z The batteries may not have been inserted correctly.z The remote control signal receiver on the projector may be obstructed.z The remote control may be out of the range of operation.z Fluorescent lights may be interfering.z A 3D IR Transmitter may be interfering.—181818—70The picture does notdisplay correctly.z [TV-SYSTEM] and [RGB/YC BC R ] or [RGB/YPBPR ] are not selected correctly.z There may be a problem with the VCR or other signal source.z A signal which is not compatible with the projector is being input.57, 58——Picture from acomputerdoes not appear.z The cable may be too long. (Cable must be less than 10 m (32'10") in length.)z The external video output from a personal computer may not be correct.(You may be able to change the external output settings by pressing the [Fn] +[F3] or [Fn] + [F10] keys simultaneously. The actual method varies depending onthe type of computer; refer to the documentation provided with your computer forfurther details.)——Video from HDMIcompatible devicedoes not appear or itappears jumbled.z The HDMI cable is not fully inserted.z Turn the power for the projector and the external device off and on.z A signal which is not compatible with the projector is being input.27281003D video is disruptedwhile viewing a 3Dvideo.z The 3D Eyewear may be out of battery. If you are using a rechargeable 3DEyewear, charge the battery of the 3D Eyewear. If you are using a disposablebattery for 3D Eyewear, replace the battery.—* If the projector still does not work correctly after checking the points above, contact your dealer.