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Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Power does not turn on.
No image appears.
The picture is fuzzy.
The color is pale or grayish.
The remote control does
not respond.
The menu screen does not
appear.
The buttons on the control
panel do not operate.
The image does not display
correctly.
Image from a computer
does not appear.
Image from a computer's
DVI-D output does not
appear.
Video from HDMI
compatible device does
not appear or it appears
jumbled.
Attention
f If problems persist even after checking the preceding points, consult your dealer.
116 - ENGLISH
Chapter 5 Maintenance — Troubleshooting
f Is the power plug firmly inserted into the outlet?
f Is the <MAIN POWER> switch turned <OFF>?
f Is the wall outlet supplying electricity?
f Have the circuit breakers tripped?
f Is the temperature indicator <TEMP> or the lamp indicator <LAMP1>/<LAMP2> lit or flashing?
f Is the lamp unit cover securely installed?
f Are connections to external devices correctly performed?
f Is the input selection setting correct?
f Is the [BRIGHTNESS] adjustment setting at a minimum?
f Is the external device that is connected to the projector working properly?
f Is the shutter function in use?
f If the power indicator <ON (G)/STANDBY (R)> is flashing in red, consult your dealer.
f Is the lens focus set correctly?
f Is the projection distance appropriate?
f Is the lens dirty?
f Is the projector installed perpendicular to the screen?
f Is the [COLOR] or [TINT] adjusted correctly?
f Is the external device connected to the projector adjusted correctly?
f Is the RGB cable damaged?
f Are the batteries depleted?
f Is the polarity of the batteries set correctly?
f Are there any obstructions between the remote control and the projector's remote control
signal receiver?
f Is the remote control being used beyond its effective operation range?
f Are other forms of light, such as fluorescent light, affecting the projection?
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the ID number setting operation correct?
f Is the on-screen display function turned off (hidden)?
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the [SYSTEM SELECTOR] selection set correctly?
f 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?
f Is the cable too long? (Use D-Sub cables that are 10 m (32'10") or shorter.)
f 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.)
f Is the [DVI-D IN] setting set to [EDID3]/[EDID2:PC]?
f The graphics accelerator driver of the computer may need to be updated to the latest version.
f The computer may need to be restarted after performing [DVI-D IN] settings.
f Is the HDMI cable connected securely?
f Turn the power of the projector and the external device on and off.
f Is a signal which is not compatible with the projector being input?
Points to be checked
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