Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem
Cause
Reference
page
Power does not turn
on.
f
The power cord may not be connected.
—
f
No electric supply is at the wall outlet.
—
f
The circuit breakers have tripped.
—
f
Is the lamp indicator <LAMP> or the warning indicator <WARNING> indicator lit
or blinking?
98
f
The lamp cover has not been securely installed.
101
No picture appears.
f
The video signal input source may not be connected to a terminal properly.
32
f
The input selection setting may not be correct.
40
f
The [BRIGHTNESS] adjustment setting may be at the minimum setting.
52
f
The input source which is connected to the projector may have a problem.
—
f
The AV MUTE function may be in use.
43, 68
The picture is fuzzy.
f
The lens cap is still attached to the lens.
17
f
The lens focus may not have been set correctly.
40
f
The projector may not be at the correct distance from the screen.
27
f
The lens may be dirty.
16
f
The projector may be tilted too much.
—
The color is pale or
grayish.
f
[COLOR] or [TINT] adjustment may be incorrect.
52
f
The input source which is connected to the projector may not be adjusted correctly.
—
f
RGB cable is damaged.
—
No sound from the
internal speaker.
f
The input terminals may not have been correctly connected.
33
f
The volume may have been set to the minimum level.
44, 73
f
The AV MUTE function may have been turned on.
43, 68
f
When the VARIABLE AUDIO OUT is plugged-in, the projector’s built-in speaker
is not available.
33
f
The MUTE function may have been turned on.
44, 73
f
Is the audio input selection in [AUDIO SETTING] set correctly?
74
The remote control
does not operate.
f
The batteries may be weak.
—
f
The batteries may not have been inserted correctly.
23
f
The remote control signal receptor on the projector may be obstructed.
20
f
The remote control unit may be out of the operation range.
20
f
Strong light such as fluorescent shine onto the signal receptor.
20
f
The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL
DEVICE SETUP].
78
f
Is the ID number setting operation correct?
45
Menu screen does not
appear.
f
Is the on-screen display function turned off (hidden)?
62
The control buttons of
the projector do not
operate.
f
The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE
SETUP].
78
The picture does not
display correctly.
f
There may be a problem with the VCR or other signal source.
—
f
A signal which is not compatible with the projector is being input.
112
Picture from a
computer does not
appear.
f
The cable may be longer than the optional cable.
—
f
The external video output from a laptop computer may not be correct.
—
Picture from a HDMI
device does not
appear or picture is
not stable.
f
Is the HDMI cable securely connected?
32, 33
f
Turn off the power of the projector and the connected devices. Then turn the
power of the projector and the connected devices back on.
—
f
Isn’t unsupported signal cable connected?
112
No sound is output
from a HDMI device.
f
Set the sound channel of the attached device to Linear PCM.
—
Attention
f
If the problem persists, after confirming the contents of the table, please consult your dealer.
ENGLISH
- 103
Chapter 5 Maintenance - Troubleshooting
