Chapter 6
Maintenance — Troubleshooting
204 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Points to be checked
Page
Power does not turn on.
f
Is the power plug firmly inserted into the outlet?
―
f
Is the <MAIN POWER> switch set to <OFF>?
66
f
Is the wall outlet supplying electricity?
―
f
Have the circuit breakers tripped?
―
f
Is the light source indicator <LIGHT> blinking?
198
f
Is the temperature indicator <TEMP> lit or blinking?
199
No image appears.
f
Are connections to external devices correctly performed?
52
f
Is the input selection setting correct?
67
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
85
f
Is the external device that is connected to the projector working properly?
―
f
Is the shutter function in use?
72, 110
f
If the power indicator <ON (G)/STANDBY (R)> is blinking in red, consult your dealer.
―
Image is fuzzy.
f
Is the lens focus set correctly?
68
f
Is the projection distance appropriate?
38
f
Is the lens dirty?
26
f
Is the projector installed perpendicular to the screen?
―
Color is pale or grayish.
f
Are [COLOR] and [TINT] adjusted correctly?
86
f
Is the external device connected to the projector adjusted correctly?
52
f
Is the computer cable damaged?
―
Audio is not output.
f
Is the external device connected correctly to the audio input terminal?
33
f
Is the volume set to minimum?
73, 123
f
Is the mute function used?
72, 124
f
Is [AUDIO IN SELECT] in [AUDIO SETTING] correctly set?
124
f
Is there a cable connected to the <VARIABLE AUDIO OUT> terminal? Audio is not
output from the built-in speaker when a cable is connected.
53, 124
Remote control does not
respond.
f
Are the batteries depleted?
―
f
Is the polarity of the batteries set correctly?
34
f
Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
30
f
Is the remote control being used beyond its effective operation range?
30
f
Are other forms of light, such as fluorescent light, affecting the projection?
30
f
Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
138
f
Is the ID number setting operation correct?
77
Menu screen does not
appear.
f
Is the on-screen display function turned off (hidden)?
73
Buttons on the control
panel do not operate.
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
138
Image does not display
correctly.
f
Is [SYSTEM SELECTOR] set properly?
89
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?
220
Image from a computer
does 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 external
output settings may be switched by pressing the “Fn” + “F3” keys or the “Fn” + “F10”
keys simultaneously. This will differ depending on the model of the computer. Refer
to the user manual provided with your computer.)
―
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f
Is the HDMI cable connected securely?
52
f
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?
220
No audio is coming from
the HDMI compatible
device.
f
Set the audio for connected device to linear PCM.
―
