TroubleshootingPlease check following points. For details, see the corresponding pages.Problem Cause ReferencepagePower does not turnon.f The power cord may not be connected.f No electric supply is at the wall outlet.f The circuit breakers have tripped.f Is the lamp indicator or the warning indicator lit or blinking?f The lamp cover has not been securely installed.———125128No picture appears.f The video signal input source may not be connected to a terminal properly.f The input selection setting may not be correct.f The [BRIGHTNESS] adjustment setting may be at the minimum setting.f The input source which is connected to the projector may have a problem.f The AV MUTE function may be in use.385061—53, 76The picture is fuzzy.f The lens cap is still attached to the lens.f The lens focus may not have been set correctly.f The projector may not be at the correct distance from the screen.f The lens may be dirty.f The projector may be tilted too much.23463320—The color is pale orgrayish.f [COLOR] or [TINT] adjustment may be incorrect.f The input source which is connected to the projector may not be adjusted correctly.f RGB cable is damaged.61——No sound from theinternal speaker.f The input terminals may not have been correctly connected.f The volume may have been set to the minimum level.f The AV MUTE function may have been turned on.f When the VARIABLE AUDIO OUT is plugged-in, the projector’s built-in speaker isnot available.f The MUTE function may have been turned on.f Is the audio input selection in [AUDIO SETTING] set correctly?3949, 8153, 763954, 8182The remote controldoes not operate.f The batteries may be weak.f The batteries may not have been inserted correctly.f The remote control signal receptor on the projector may be obstructed.f The remote control unit may be out of the operation range.f Strong light such as fluorescent shine onto the signal receptor.f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL DEVICESETUP].f Is the ID number setting operation correct?f Check if the switch on the remote control is set to "ON".—29262626875425Menu screen does notappear. f Is the on-screen display function turned off (hidden)? 70The control buttons of theprojector do not operate.f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICESETUP]. 87The picture does notdisplay correctly.f There may be a problem with the VCR or other signal source.f A signal which is not compatible with the projector is being input.—141Picture from acomputer does notappear.f The cable may be longer than the optional cable.f The external video output from a laptop computer may not be correct.——Picture from a HDMIdevice does notappear or picture isnot stable.f Is the HDMI cable securely connected?f Turn off the power of the projector and the connected devices. Then turn the powerof the projector and the connected devices back on.f Isn’t unsupported signal cable connected?38, 39—141No sound is outputfrom a HDMI device. f Set the sound channel of the attached device to Linear PCM. —EASY SETTINGfunction is disabled. f Turn off and turn on the power of the projector. 83Attentionf If the problem persists, after confirming the contents of the table, please consult your dealer.130 - ENGLISHChapter 6 Maintenance - Troubleshooting
