Troubleshooting
48
- ENGLISH
Maintenance
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.
z
—
No electric supply is at the wall outlet.
z
—
The circuit breakers have tripped.
z
—
Is the <LAMP> indicator, <ON(G)/STANDBY(R)> indicator, or <TEMP>
z
indicator lit or blinking?
27, 44
The lamp cover has not been securely installed.
z
47
No picture appears.
The video signal input source may not be connected to a terminal
z
properly.
24~25
The input selection setting may not be correct.
z
29
The [Brightness] adjustment setting may be at the minimum setting.
z
35
The input source which is connected to the projector may have a
z
problem.
—
The [AV mute] function may be in use.
z
16
The picture is fuzzy.
The lens focus may not have been set correctly.
z
23
The projector may not be at the correct distance from the screen.
z
22~23
The lens may be dirty.
z
45
The projector may be tilted too much.
z
—
The color is pale or
grayish.
[Color] or [Hue] adjustment may be incorrect.
z
35~36
The input source which is connected to the projector may not be
z
adjusted correctly.
—
RGB cable is damaged.
z
—
No sound from the
internal speaker
The input terminals may not have been correctly connected.
z
24~25
The volume may have been set to the minimum level.
z
41
The [AV mute] function may have been turned on.
z
16
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in
z
speaker is not available.
19
The Mute function may have been turned on.
z
41
The remote control
does not operate.
The battery may be weak.
z
—
The battery may not have been inserted correctly.
z
20
The remote control signal receptor on the projector may be obstructed.
z
16
The remote control unit may be out of the operation range.
z
16
Strong light such as fluorescent shine onto the signal receptor.
z
16
When different remote IDs are set on the projector and on the remote
z
contro
l
.
20, 40
