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Before Contacting Service Personnel
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Installation and Connection
Symptoms Troubleshooting
No Power.
z Check the power cable connections.
I want to install my projector on
the ceiling.
z The ceiling installation support is sold separately. Contact your local product
distributor.
External Source can not be
selected.
z Be sure that the connection cable(s) (video) is properly connected to the proper
port. If the device is not connected properly, it can not be selected.
Menu and Remote Control
Symptoms Troubleshooting
Remote control does not work.
z Check whether your remote control is at a right angle and at the correct distance.
Remove any obstacles between your remote control and the product.
z Direct lighting of 3-way light bulbs or other lighting device on the remote sensor of
the projector may affect the sensitivity and cause the remote control to malfunction.
z Check if the remote control battery is empty.
z Check whether the LED indicator on the top of the projector is turned on.
I cannot select a menu.
z Check if the menu is displayed in gray. A gray-colored menu is unavailable.
Screen and External Source
Symptoms Troubleshooting
Cannot see picture images.
z Be sure that the power cord of the projector is connected.
z Be sure that the proper input source is selected.
z Check that the connectors are properly connected to the ports at the back of the
projector.
z Check the Remote Control batteries.
z Be sure that the <Color>, <Brightness> settings are not at their lower limit.
Poor color.
z Adjust the <Tint> and <Contrast>.
Images are not clear.
z Adjust the focus.
z Check that the projection distance is either too far or too near to the screen.
Strange noise.
z If the strange sound continues, contact our service center.
The operating LED is lit up.
z Refer to Corrective Actions According to LED Indications.
Lines appear on the screen.
z Because noise may occur when using your PC, adjust the frequency of the screen.
No external device screen is displayed.
z Check the operating status for the external device and check whether the
adjustment items, such as the Brightness and the Contrast have been changed
correctly in the <Mode> command screen of the Projector menu.
Only blue screen appears.
z Be sure to properly connect the external devices. Check the connection cables
again.
Screen is black and white or abnormal
color/ screen is too dark or bright.
z As mentioned above, check the adjustment items such as the Brightness, Contrast
and Color in the menu.
z If you want to restore various settings to their factory defaults, run <Factory