Chapter 5 Maintenance — Troubleshooting160 - ENGLISHTroubleshootingReview the following points. For details, see the corresponding pages.Problems Points to be checked PagePower does not turn on.f Is the power plug firmly inserted into the outlet? ―f Is the switch set to ? 59f Is the wall outlet supplying electricity? ―f Have the circuit breakers tripped? ―f Are the light source indicators / or the temperature indicator lighting or blinking? 158No image appears.f Are connections to external devices correctly performed? 46f Is the input selection setting correct? 63f Is the [BRIGHTNESS] adjustment setting at a minimum? 72f Is the external device that is connected to the projector working properly? ―f Is the shutter function in use? 62f If the power indicator is blinking in red, consult your dealer. ―f Is the lens cover still attached to the lens? 52Image is fuzzy.f Is the lens focus set correctly? 60f Is the projection distance appropriate? 31f Is the lens dirty? 21f Is the projector installed perpendicular to the screen? ―Color is pale or grayish.f Are [COLOR] and [TINT] adjusted correctly? 73f Is the external device connected to the projector adjusted correctly? 46f Is the RGB cable damaged? ―Remote control does notrespond.f Are the batteries depleted? ―f Is the polarity of the batteries set correctly? 27f Are there any obstructions between the remote control and the remote controlsignal receiver of the projector? 24f Is the remote control being used beyond its effective operation range? 24f Are other forms of light, such as fluorescent light, affecting the projection? 24f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to[DISABLE]? 132f Is the terminal used for contact control? 173f Is the ID number setting operation correct? 65Menu screen does notappear. f Is the on-screen display function turned off (hidden)? 100Buttons on the controlpanel do not operate.f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to[DISABLE]? 132f Is the terminal used for contact control? 173Image does not displaycorrectly.f Is the [SYSTEM SELECTOR] selection set correctly? 77f Is the [RGB1 INPUT SETTING] setting performed correctly? 94f Is there a problem with the video tape or other image sources? ―f Is a signal which is not compatible with the projector being input? 176Image from a computerdoes not appear.f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10")or shorter.) ―f Is the external video output on the laptop computer set correctly? (Ex.: The externaloutput settings may be switched by pressing the “Fn” + “F3” or “Fn” + “F10”simultaneously. Since the method varies depending on the computer type, refer tothe user manual provided with your computer.)―Image output from DVI-Dof the computer does notappear.f Is the [EDID] setting in [DVI-D IN] set to [EDID3] or [EDID2:PC]? 96f The graphics accelerator driver of the computer may need to be updated to thelatest version. ―f The computer may need to be restarted to apply improvements after performing the[EDID] setting in [DVI-D IN]. 96Video from HDMIcompatible device doesnot appear or it appearsjumbled.f Is the HDMI cable connected securely? 46f Turn the power of the projector and the external device off and on. ―f Is a signal which is not compatible with the projector being input? 176Lens shift cannot beadjustedf Perform [LENS CALIBRATION]. 123f Is the fixed-focus lens (Model No.: ET-DLE055) attached? ―
