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Troubleshooting
Please check following points. For details, refer to the corresponding pages.
Problem
f Is the power plug firmly connected to the outlet?
f Is the wall outlet supplying electricity?
Power does not turn on.
f Have the circuit breakers tripped?
f Is the lamp indicator <LAMP> or temperature indicator <TEMP> lit or blinking?
f Is the lamp cover attached securely?
f Are connections to external devices correctly performed?
f Is the input selection setting correct?
No image appears.
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 AV mute function activated?
f Is the lens cap still attached?
f Is the lens focus set correctly?
Image is fuzzy.
f Is the projection distance appropriate?
f Is the lens dirty?
f Is the projector installed perpendicular to the screen?
f Is [COLOR] or [TINT] adjusted correctly?
Color is pale or grayish.
f Is the external device connected to the projector adjusted correctly?
f Is the RGB signal cable damaged?
f Is the external device connected correctly to the audio input terminal?
f Is the volume set to the minimum level?
f Is the AV mute function activated?
Audio is not output.
f Is the mute function activated?
f Is the audio input selection in [AUDIO SETTING] set correctly?
f Is the cable connected to the <VARIABLE AUDIO OUT> terminal? If connected, the built-in
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 remote control signal
Remote control does not
f Is the remote control used beyond its effective operation range?
work.
f Is the remote control subject to influences from fluorescent light, etc.
f Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE SETUP] set to
f Is the ID number setting operation correct?
Buttons on the control
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]?
panel do not work.
f Is there a problem with the video tape or other image sources on the external devices to
Image does not display
correctly.
f Is the signal input incompatible with the projector?
f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") or
Image from a computer
f Is the external video output on the laptop computer set correctly? (Ex.: The external output
does not appear.
Video from HDMI
f Is the HDMI cable securely connected?
compatible device does
f Turn the power of the projector and the external device off and on.
not appear or it appears
f Is the signal input incompatible with the projector?
jumbled.
Audio from HDMI
compatible device is not
f Set to the linear PCM audio for the connected devices.
output.
Attention
f If the problem persists, after confirming the contents of the table, consult your dealer.
112 - ENGLISH
Chapter 6 Maintenance - Troubleshooting
speaker will not output audio.
receiver of the projector?
[DISABLE]?
output images?
shorter.)
settings may be switched by pressing the "Fn" + "F3" or "Fn" + "F10" simultaneously. Since
the method varies depending on the computer type, refer to the user manual provided with
your computer.)
Points to be checked
Reference page
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