Panasonic PTAE7000U User Manual

Page of 104
Troubleshooting
ENGLISH
 - 89
Maintenance
Troubleshooting
Re-confirm these points. 
See the relevant page for details.
Problem
Cause
Page
Power does not turn 
on.
The power cord may not be connected.
 
z
The <MAIN POWER> switch is turned <OFF>.
 
z
The wall outlet may not be supplying electricity.
 
z
The circuit breakers may have tripped.
 
z
<TEMP> indicator or <LAMP> indicator is illuminated or flashes.
 
z
The lamp unit may not have been installed correctly.
 
z
28
29
80 
86
No picture appears.
The signal input source may not be connected to a terminal properly.
 
z
The input selection setting may not be correct.
 
z
The [BRIGHTNESS] adjustment setting may be at the minimum setting.
 
z
The external device connected to the projector may not be functioning correctly.
 
z
The [BLANK] function may be in use.
 
z
The lens cover may still be attached to the lens.
 
z
26
34
40
79
19
The picture is fuzzy.
The lens focus may not have been set correctly.
 
z
The projector may not be at the correct distance from the screen.
 
z
The lens may be dirty.
 
z
The projector may be over tilted.
 
z
69
22
19
22
The color is pale or 
grayish.
[COLOR] and [TINT] may not be adjusted correctly.
 
z
The device connected to the projector may not be adjusted correctly.
 
z
40
The remote control 
does not work.
The batteries may have run out.
 
z
The batteries may not have been inserted correctly.
 
z
The remote control signal receiver on the projector may be obstructed.
 
z
The remote control may be out of the range of operation.
 
z
Fluorescent lights may be interfering.
 
z
A 3D IR Transmitter may be interfering.
 
z
18
18
18
67
The picture does not 
display correctly.
[TV-SYSTEM] and [RGB/YC
 
z
B
C
R, 
] or [RGB/YP
B
P
R
] are not selected correctly.
There may be a problem with the VCR or other signal source.
 
z
A signal which is not compatible with the projector is being input.
 
z
54, 55
Picture from a 
computer  
does not appear.
The cable may be too long. (Cable must be less than 10 m in length.)
 
z
The external video output from a personal computer may not be correct.  
 
z
 (You may be able to change the external output settings by pressing the [Fn] + 
[F3] or [Fn] + [F10] keys simultaneously. The actual method varies depending on 
the type of computer; refer to the documentation provided with your computer for 
further details.) 
Video from HDMI 
compatible device 
does not appear or it 
appears jumbled.
The HDMI cable is not fully inserted.
 
z
Turn the power for the projector and the external device off and on.
 
z
A signal which is not compatible with the projector is being input.
 
z
27
28
95
3D video is disrupted 
while viewing a 3D 
video.
The 3D Eyewear may be out of battery. If you are using a rechargeable 3D 
 
z
Eyewear, charge the battery of the 3D Eyewear. If you are using a disposable 
battery for 3D Eyewear, replace the battery.
*  If the projector still does not work correctly after checking the points above, contact your dealer.