Page 6.4
105-453B January 2007
6. Appendix
Digital Projection
LIGHTNING 35HD-T, 40HD-T
User Manual
Troubleshooting
Problem
Possible solutions
The projector will not power up.
Check that the mains plug is plugged in and that the mains supply is switched on.
Check any external fuses or breakers.
The projector shuts down after it has
been in use for some time.
The projector may be overheating. Check that the air inlets and outlets are clear
of any obstruction. Check that the air
fi
lter is clean, and if it is dirty,
fi
t a new one.
See section
1. Introduction, Getting to know the projector
The lamp is not lit.
Check in the lamp menu that the lamp is turned on.
See Section
4. Using the menus, Lamp menu
Check the lamp-hours meter. If the lamp has been in use for over 750 hours, the
lamp module should be changed.
See Section
5. Maintenance, Changing the lamp.
The menus say the lamp is lit but no
image is displayed.
The lamp may be faulty. Check by
fi
tting a new lamp module.
See Section
5. Maintenance, Changing the lamp
Check that the input source is switched on and connected to the projector
correctly.
Check that the correct image source is selected.
See Section
4. Using the menus, Source menu
Check that the brightness and contrast settings are set correctly.
See Section
4. Using the menus, Image menu
If the input source is connected via a device powered from the 5V auxilliary power
outlet, check that this power cable is connected correctly.
The projector may be overheating. Check that the air inlets and outlets are clear
of any obstruction. Check that the air
fi
lter is clean, and if it is dirty,
fi
t a new one.
The image does not
fi
t the screen
correctly.
If the image is smaller than 2048 x 1080 pixels, then the image will NOT
fi
ll the
screen. The projector does not perform any image processing - the MMS 1000 is
recommended for this purpose.
Check that the correct lens is being used for the combination of screen size and
projection distance.
See Section
1. Introduction, Choosing a lens
Check the settings in the
image
menu.
See Section
4. Using the menus, Image menu