Troubleshooting
60
- 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?
30, 54
The lamp cover has not been securely installed.
z
59
No picture appears.
The video signal input source may not be connected to a terminal
z
properly.
27~28
The input selection setting may not be correct.
z
32
The [Brightness] adjustment setting may be at the minimum setting.
z
38
The input source which is connected to the projector may have a
z
problem.
—
The [AV mute] function may be in use.
z
17, 34
The picture is fuzzy.
The lens focus may not have been set correctly.
z
32
The projector may not be at the correct distance from the screen.
z
24~25
The lens may be dirty.
z
55
The projector may be tilted too much.
z
—
The color is pale or
grayish.
[Color] or [Hue] adjustment may be incorrect.
z
39
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
27~28
The volume may have been set to the minimum level.
z
44
The [AV mute] function may have been turned on.
z
17, 34
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in
z
speaker is not available.
20
The Mute function may have been turned on.
z
34, 44
The remote control
does not operate.
The battery may be weak.
z
—
The battery may not have been inserted correctly.
z
21
The remote control signal receptor on the projector may be obstructed.
z
17
The remote control unit may be out of the operation range.
z
17
Strong light such as fluorescent shine onto the signal receptor.
z
17
When different remote IDs are set on the projector and on the remote
z
contro
l
.
21, 43
