Panasonic PT-AE4000U - Manual (Page 29)

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Maintenance
Troubleshooting
Should any problem persist, contact your dealer.
Problem Cause
Reference
page
Power does not turn on.
The power cord may not be connected. 16
MAIN POWER is turned off. 17
No electric supply is at the wall outlet. 16
TEMP indicator is lit or flashes. 25
LAMP indicator is lit or flashes. 25
The lamp unit has not been securely installed. 27
The circuit breakers have tripped. -
No picture appears.
The signal input source may not be connected to a terminal properly. 15
The input selection setting may not be correct. 18
The BRIGHTNESS adjustment setting may be at the minimum
setting.
CD-ROM
The BLANK function may be in use. CD-ROM
The lens cover may still be attached to the lens. 12
The picture is fuzzy.
The lens focus may not have been set correctly. 18
The projector may not be at the correct distance from the screen. 14
The lens may be dirty. 26
The projector may be tilted too much. 15
The color is pale or grayish.
COLOR or TINT adjustment may be incorrect. CD-ROM
The equipment which is connected to the projector may not be
adjusted correctly.
-
The Remote control does
not operate.
The batteries may be weak. -
The batteries may not have been inserted correctly. 11
The remote control signal receptor on the projector may be
obstructed.
CD-ROM
The remote control unit may be out of the operation range. CD-ROM
The picture does not
display correctly.
The signal format may not have been set correctly. CD-ROM
There may be a problem with the VCR or other signal source. -
A signal which is not compatible with the projector is being input. 31
Picture from a computer
does not appear.
The cable may be longer than the optional cable. -
The external video output from a personal computer may not be
correct. (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.)
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