Appendix
56
Troubleshooting
Before calling your dealer or service center for assistance, check the items below once again.
– Make sure you have properly connected the projector to peripheral equipment as described on
pages15-17.
– Make sure all equipment is connected to AC outlet and the power is turned on.
– When you operate the projector with a computer and it does not project an image, restart the
computer.
– Solutions
Problem
No power
– Plug the power cord of the projector into the AC outlet.
– See if the POWER indicator lights red.
– Wait 90-10 seconds after the projector is turned off to
restart the projector. The projector can be turned on after the
POWER indicator turns red. (See page 19.)
– Check the WARNING indicator. If the WARNING indicator
lights red, the projector cannot be turned on. (See page 51.)
– Check the projection lamp. (See page 54.)
– Unlock the Key lock function. (See page 48.)
Image is out of focus
– Adjust the focus of the projector. (See page .)
– Provide proper distance between the projector and the
projection screen. (See page 13.)
– Check the projection lens to see if it needs cleaning. (See
page 53.)
– Moving the projector from a cool to warm place may result in
moisture condensation on the projection lens. If this occurs,
leave the projector off and wait until condensation evaporates.
No image
– Check the connection between your computer or video
equipment and the projector. (See pages 15-17.)
– See if the input signal is correctly output from your computer.
For some laptop computers, you may need to change the
setting for the monitor output when connecting to a projector.
See your computer’s instruction manual for the setting.
– It takes about 30 seconds to display an image after turning on
the projector. See if the selected system is corresponding to
your computer or video equipment. (See pages 6 and 36.)
– Select a correct input source once again through menu
operation. (See pages 5, 34 and 35.)
– Make sure the temperature is not out of the specified
operating temperature (41°F ~ 95°F (5°C ~ 35°C)).
Image is Left/Right reversed
Image is Top/Bottom reversed
– Check the Ceiling/Rear function. (See page 45.)
– Check the Ceiling function. (See page 45.)
No sound
– Check audio cable connections from the audio input source.
– Adjust the audio source.
– Press the button. (See page 3.)
– Press the Mute button. (See page 3.)
