shown in the steps on page 42.

If the projector remains overheated after the filters have been cleaned, please contact the dealer of this projector to request service for checking the cooling fan and the internal circuitry.

The Power Indicator is blinking red:

There is a problem with the internal circuitry. Please contact the dealer of this projector for service.

The Lamp Led Indicator remains red: The life of the lamp has ended, please replace with a new lamp now.

The Lamp Led Indicator is blinking red: There is a problem with the lamp or the power supply of the projector. Please contact the dealer of this projector for service.

Attention: Never try to do any maintenance on the projector that is not indicated in this manual.

Problems With The Image Or Sound

The following are solutions to problems with the image or sound:

No image appears on the screen:

Check to ensure that the Power Led Indicator and the Lamp Led Indicator are both green, and that the lens cover is removed from the lamp of the projector.

Check to ensure that the video source is correctly selected. You may press the SOURCE button on the Remote Control or on the operation panel of the projector to select the video source.

Check the type of video output signal your computer is producing. The video signal from your company may be out of the response range of the image source.

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Microtek CX4 manual Problems With The Image Or Sound, The Power Indicator is blinking red, No image appears on the screen