TroubleshootingPlease check following points. For details, see the corresponding pages.Problem Cause ReferencepagePower does not turn on.The power cord may not be connected.fNo electric supply is at the wall outlet.fThe circuit breakers have tripped.fIs the indicator or indicator lit or blinking?fThe lamp cover has not been securely installed.f———36, 9497No picture appears.The video signal input source may not be connected to a terminal properly.fThe input selection setting may not be correct.fThe [BRIGHTNESS] adjustment setting may be at the minimum setting.fThe input source which is connected to the projector may have a problem.fThe AV MUTE function may be in use.f324150—42The picture is fuzzy.The lens cap is still attached to the lens.fThe lens focus may not have been set correctly.fThe projector may not be at the correct distance from the screen.fThe lens may be dirty.fThe projector may be tilted too much.f173927-2817—The color is pale orgrayish.[COLOR] or [TINT] adjustment may be incorrect.fThe input source which is connected to the projector may not be adjustedfcorrectly.RGB cable is damaged.f50——No sound from theinternal speaker.The input terminals may not have been correctly connected.fThe volume may have been set to the minimum level.fThe AV MUTE function may have been turned on.fWhen the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speakerfis not available.The MUTE function may have been turned on.f30-3343, 70422343, 70The remote control doesnot operate.The batteries may be weak.fThe batteries may not have been inserted correctly.fThe remote control signal receptor on the projector may be obstructed.fThe remote control unit may be out of the operation range.fStrong light such as fluorescent shine onto the signal receptor.fWhen different codes are set on the projector and on the remote control.fThe [REMOTE CONTROL] setting is set to [DISABLE] in [CONTROL DEVICEfSETUP].—242121216775The control buttons ofthe projector do notoperate.The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICEfSETUP].75The picture does notdisplay correctly.There may be a problem with the VCR or other signal source.fA signal which is not compatible with the projector is being input.f—107-108Picture from a computerdoes not appear.The cable may be longer than the optional cable.fThe external video output from a laptop computer may not be correct.f——Picture from a HDMIdevice does not appearor picture is not stable.Is the HDMI cable securely connected?fTurn off the power of the projector and the connected devices. Then turn thefpower of the projector and the connected devices back on.Isn't unsupported signal cable connected?f32—107-108No sound is output froma HDMI device.Set the sound channel of the attached device to Linear PCM.f —AttentionIf the problem persists, after confirming the contents of the table, please consult your dealer.fENGLISH - 99Chapter 5 Maintenance - Troubleshooting
