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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 on pages 19–21.
–Make sure all equipment is connected to AC outlet and the power is turned on.
–When the projector does not project an image from the connected computer, 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
– 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 when turning
the projector back on. The projector can be turned on after the
POWER indicator turns red. See on page 22.
– Check the WARNING indicator. If the WARNING indicator lights red,
projector cannot be turned on. See on page 62.
– Check the projection lamp. See page 65.
– Unlock the Key lock function for the projector. See page 54.
– Adjust focus of the projector. See page 26.
– Provide proper distance between the projector and the projection
screen. See page 17.
– Check the projection lens to see if it needs cleaning. See page 64.
– 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 19–21.
– See if the input signal is correctly output from your computer. Some
laptop computers may need to change the setting for 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 page 22.
– See if the selected system is corresponding with your computer or
video equipment. See pages 32, 42.
– Select correct input source once again through menu operation. See
pages 30–31, 40–41.
– Make sure the temperature is not out of the specified Operating
Temperature (
41˚F–95˚F [5˚C–35˚C])
– Check the Ceiling/Rear function. See page 51.
– Check the Ceiling function. See page 51.
– Check the audio cable connection from audio input source.
– Adjust the audio source.
– Press the Volume + button. See page 27.
– Press the Mute button. See page 27.
– Is the image projected? You will hear the sound only when the
image is projected.
.
67
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