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116 - ENGLISH
Chapter 5 Maintenance — Troubleshooting
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems Points to be checked Page
Power does not turn on.
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Is the power plug rmly inserted into the outlet? ―
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Is the <MAIN POWER> switch turned <OFF>? 43
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Is the wall outlet supplying electricity? ―
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Have the circuit breakers tripped? ―
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Is the temperature indicator <TEMP> or the lamp indicator <LAMP1>/<LAMP2> lit or ashing? 110, 111
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Is the lamp unit cover securely installed? 114
No image appears.
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Are connections to external devices correctly performed? 37
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Is the input selection setting correct? 48, 79
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Is the [BRIGHTNESS] adjustment setting at a minimum? 55
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Is the external device that is connected to the projector working properly? ―
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Is the shutter function in use? 47
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If the power indicator <ON (G)/STANDBY (R)> is ashing in red, consult your dealer. ―
The picture is fuzzy.
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Is the lens focus set correctly? 45
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Is the projection distance appropriate? 27
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Is the lens dirty? 16
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Is the projector installed perpendicular to the screen? ―
The color is pale or grayish.
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Is the [COLOR] or [TINT] adjusted correctly? 56
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Is the external device connected to the projector adjusted correctly? 37
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Is the RGB cable damaged? ―
The remote control does
not respond.
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Are the batteries depleted? ―
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Is the polarity of the batteries set correctly? 23
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Are there any obstructions between the remote control and the projector’s remote control
signal receiver?
20
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Is the remote control being used beyond its effective operation range? 20
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Are other forms of light, such as uorescent light, affecting the projection? 20
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Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]? 90
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Is the <REMOTE 2 IN> terminal used for contact control? 124
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Is the ID number setting operation correct? 23
The menu screen does not
appear.
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Is the on-screen display function turned off (hidden)?
22, 47
The buttons on the control
panel do not operate.
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Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]? 90
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Is the <REMOTE 2 IN> terminal used for contact control? 124
The image does not display
correctly.
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Is the [SYSTEM SELECTOR] selection set correctly? 59
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Is there a problem with the video tape or other image sources? ―
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Is a signal which is not compatible with the projector being input? 125
Image from a computer
does not appear.
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Is the cable too long? (Use D-Sub cables that are 10 m (32'10") or shorter.) ―
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Is the external video output of the laptop computer set correctly? Ex.: The external output
settings may be switched by pressing the “Fn”+“F3” or “Fn”+“F10” keys simultaneously. Since
the method varies depending on the computer type, refer to the user manual provided with
your computer.)
―
Image from a computer’s
DVI-D output does not
appear.
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Is the [DVI-D IN] setting set to [EDID3]/[EDID2:PC]? 70
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The graphics accelerator driver of the computer may need to be updated to the latest version. ―
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The computer may need to be restarted after performing [DVI-D IN] settings. 70
Video from HDMI
compatible device does
not appear or it appears
jumbled.
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Is the HDMI cable connected securely? 37
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Turn the power of the projector and the external device on and off. ―
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Is a signal which is not compatible with the projector being input?
125
Attention
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If problems persist even after checking the preceding points, consult your dealer.