Troubleshooting
Please check following points. For details, refer to the corresponding pages.
Problem
Points to be checked
Reference page
Power does not turn on.
f
Is the power plug firmly connected to the outlet?
—
f
Is the wall outlet supplying electricity?
—
f
Have the circuit breakers tripped?
—
f
Is the light source indicator <LIGHT> or temperature indicator <TEMP> lit or blinking?
135
No image appears.
f
Are connections to external devices correctly performed?
38
f
Is the input selection setting correct?
49
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
63
f
Is the external device that is connected to the projector working properly?
—
f
Is the shutter function activated?
52, 79
Image is fuzzy.
f
Is the lens focus set correctly?
51
f
Is the projection distance appropriate?
33
f
Is the lens dirty?
23
f
Is the projector installed perpendicular to the screen?
—
Color is pale or grayish.
f
Is [COLOR] or [TINT] adjusted correctly?
64, 64
f
Is the external device connected to the projector adjusted correctly?
—
f
Is the RGB signal cable damaged?
—
No audio.
f
Is the external device connected correctly to the audio input terminal?
38
f
Is the volume set to the minimum level?
52, 88
f
Is the shutter function activated?
52, 79
f
Is the mute function activated?
52, 88
f
Is the audio input selection in [AUDIO SETTING] set correctly?
89
f
Is the cable connected to the <AUDIO OUT> terminal? If connected, the built-in speaker
will not output audio.
38
Remote control does not
work.
f
Are the batteries depleted?
—
f
Is the polarity of the batteries set correctly?
30
f
Are there any obstructions between the remote control and the remote control signal
receiver of the projector?
27
f
Is the remote control used beyond its effective operation range?
27
f
Is the remote control subject to influences from fluorescent light, etc.
27
f
Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
96
f
Is the ID number setting operation correct?
56
Buttons on the control
panel do not work.
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]?
96
Image does not display
correctly.
f
Is there a problem with the external device to output images?
f
Is the signal input incompatible with the projector?
—
156
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” or “Fn” + “F10” simultaneously. Since
the method varies depending on the computer type, refer to the user manual provided with
your computer.)
50
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f
Is the HDMI cable securely connected?
38
f
Turn the power of the projector and the external device off and on.
—
f
Is the signal input incompatible with the projector?
156
Audio from HDMI
compatible device is not
output.
f
Set to the linear PCM audio for the connected devices.
—
No power supplied
from <USB (VIEWER/
WIRELESS/DC OUT)>
terminal
f
Is the [PROJECTOR SETUP] menu → [ECO MANAGEMENT] → [STANDBY MODE] set to
[ECO] ?
86
f
Has the external device connected to the <USB (VIEWER/WIRELESS/DC OUT)> terminal
exceeded the rating (5 VDC, maximum 2 A)?
29
140 -
ENGLISH
Chapter 6 Maintenance - Troubleshooting
