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Appendix
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 in "Connecting to a Computer"
and "Connecting to Video Equipment" on pages 15 and 16.
– Make sure all equipment is connected to an 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.
Problem:
No power
Image is out of focus.
No image
Image is Left/Right reversed.
Image is Top/Bottom reversed.
No sound
50
– Solutions
– Plug the power cord of the projector into the AC outlet.
– See if the POWER indicator lights red.
– Wait 90-120 seconds after the projector is turned off to restart the projector.
The projector can be turned on after the POWER indicator turns red.
(See "Turning Off the Projector" on page 18.)
– Check the WARNING indicator. If the WARNING indicator emits red light,
the projector cannot be turned on. (See "Warning Indicator" on page 45.)
– Check the projection lamp. (See page 48.)
– Unlock the Key lock for the projector in the Setting Menu. (See page 42.)
– Adjust the focus of the projector. (See page 19.)
– Provide proper distance between the projector and the projection screen.
(See page 13.)
– Check the projection lens to see if it needs to be cleaned. (See page 47.)
– Moving the projector from a cool to warm place may result in moisture
condensation on the projection lens. In such cases, leave the projector off
and wait until condensation evaporates.
– Check the connection between your computer or video equipment and the
projector. (See page 15, 16)
– See if the input signal is correctly output from your computer. For some
laptop computers, the setting for the monitor output needs to to be changed
when connecting to a projector. See your computer's instruction manual for
the setting.
– It takes about 20 seconds to display an image after turning on the projector.
– See if the selected system is corresponding to your computer or video
equipment. (See page 25 and 33)
– Select a correct input source once again through Menu Operation.
(See page 24, 32)
– Make sure the temperature is not out of the specified Operating
Temperature (41°F ~ 95°F (5°C ~ 35°C)).
– Check the Ceiling/Rear item. (See page 40.)
– Check the Ceiling item. (See page 40.)
– Check audio cable connections from an audio input source.
– Adjust the audio source.
– Press the Volume + button. (See page 23.)
– Press the Mute button. (See page 23.)
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