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Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem Cause
Reference
page
Power does not turn on.
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 or <WARNING > indicator lit or blinking? f
The lamp cover has not been securely installed. f
—
—
—
35, 94
97
No picture appears.
The video signal input source may not be connected to a terminal properly. f
The input selection setting may not be correct. f
The [BRIGHTNESS] adjustment setting may be at the minimum setting. f
The input source which is connected to the projector may have a problem. f
The AV MUTE function may be in use. f
31
40
50
—
41
The picture is fuzzy.
The lens cap is still attached to the lens. f
The lens focus may not have been set correctly. f
The projector may not be at the correct distance from the screen. f
The lens may be dirty. f
The projector may be tilted too much. f
17
38
26-27
17
—
The color is pale or
grayish.
[COLOR] or [TINT] adjustment may be incorrect. f
The input source which is connected to the projector may not be adjusted f
correctly.
RGB cable is damaged. f
50
—
—
No sound from the
internal speaker.
The input terminals may not have been correctly connected. f
The volume may have been set to the minimum level. f
The AV MUTE function may have been turned on. f
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker f
is not available.
The MUTE function may have been turned on. f
29-32
42, 70
42
22
42,70
The remote control does
not operate.
The batteries may be weak. f
The batteries may not have been inserted correctly. f
The remote control signal receptor on the projector may be obstructed. f
The remote control unit may be out of the operation range. f
Strong light such as uorescent shine onto the signal receptor. f
When different codes are set on the projector and on the remote control. f
The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL f
DEVICE SETUP].
—
23
20
20
21
67
75
The control buttons of
the projector do not
operate.
The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE f
SETUP].
75
The picture does not
display correctly.
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. f
—
108-109
Picture from a computer
does not appear.
The cable may be longer than the optional cable. f
The external video output from a laptop computer may not be correct. f
—
—
Picture from a HDMI
device does not appear
or picture is not stable.
Is the HDMI cable securely connected? f
Turn off the power of the projector and the connected devices. Then turn the f
power of the projector and the connected devices back on.
Isn't unsupported signal cable connected? f
31
—
108-109
No sound is output from
a HDMI device.
Set the sound channel of the attached device to Linear PCM. f
—
Attention
If the problem persists, after conrming the contents of the table, please consult your dealer. f
ENGLISH - 99
Chapter 5 Maintenance - Troubleshooting