Panasonic PT-CW240E User Manual

Page of 74
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?
29, 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.
25~27
The input selection setting may not be correct.
 
z
32
The [Brightness] adjustment setting may be at the minimum setting.
 
z
36
The input source which is connected to the projector may have a 
 
z
problem.
The [AV mute] function may be in use.
 
z
15
The picture is fuzzy.
The lens focus may not have been set correctly.
 
z
24
The projector may not be at the correct distance from the screen.
 
z
21~23
The lens or mirror 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
36~37
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
25~27
The volume may have been set to the minimum level.
 
z
42
The [AV mute] function may have been turned on.
 
z
15
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in 
 
z
speaker is not available.
18
The Mute function may have been turned on.
 
z
42
The remote control 
does not operate.
The battery may be weak.
 
z
The battery may not have been inserted correctly.
 
z
19
The remote control signal receptor on the projector may be obstructed.
 
z
15
The remote control unit may be out of the operation range.
 
z
15
Strong light such as fluorescent shine onto the signal receptor.
 
z
15
When different remote IDs are set on the projector and on the remote 
 
z
contro
l
.
19, 41
The color of the 
image is strange.
The setting of [3D] may not be switch to [On].
 
z
45
[Picture] menu can 
not be adjusted.
The setting of [3D] may not be switch to [On].
 
z
45