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Troubleshooting

Please check the following before requesting repairs.

Problem

The power will not turn on.

No image

Distorted images

Blurred images

Images are offset vertically or

horizontally and are not correctly

displayed

The remote control does not work

The wireless mouse control does

not work

The STATUS indicator blinks

Flickering text or offset colors with

COMPUTER input terminal

Check

• Is the power plug connected to the power outlet?

• Is the lamp cover correctly installed?

• Is the internal temperature too high? A protective feature prevents the

power turning on when the internal temperature is too high.

• Has the lamp usage time exceeded 1100 hours? The power will not turn

on when 1100 hours have elapsed.

• Has the connected input been selected?

• Are the cables correctly connected to the input terminals?

• Are the brightness and contrast set to minimum?

• Is the sliding lens cap closed?

• Is the lamp blown?

• Has the lamp usage time exceeded 1100 hours?

• If a notebook type computer is being used, was the computer power

turned on after the projector was connected? Is the computer set to

disable output to the external COMPUTER input terminal?

In many cases, when a notebook type computer is connected to the

projector, a signal will not be output to the COMPUTER input terminal

unless the computer power is turned on.

• Does the STATUS indicator blink?

• Is installation correct?

• Was the Keystone adjustment performed correctly?

• Is the lens properly focused?

• Are the screen and projector positioned at the correct angle?

• Does the projection distance place the screen outside the focus range?

• Is there condensation, dirt, etc., on the lens?

Condensation on the internal optical system is possible when the

projector has been stored in a cool place and then is used in a warm

place. In such cases, wait several minutes for the condensation to

evaporate.

• Is the unit's input terminal set for RGB data while projecting PC data?

• Correctly adjust the horizontal and vertical position of the screen.

• Is the clock frequency correctly adjusted?

• Are the resolution and frequency correct for the input signal? Check the

resolution of the personal computer.

• Does the send indicator (LED) light? If it does not light, the batteries are

exhausted. In such cases, replace with fresh batteries.

• Is there any obstacle between the remote control and the remote sensors

of the main unit?

• Is the remote control being used outside its effective range?

• Is there a fluorescent light or other strong light source close to the remote

sensors?

• Is the MOUSE terminal of the main unit and the personal computer

correctly connected?

• Was the personal computer started after being connected to the MOUSE

terminal of the main unit?

• Check the STATUS indicator list.

• Manually adjust the clock frequency and phase.

• Press the AUTO SYNC button.

Reference page

29, 36, 37

18, 20

15, 16

29, 36, 37

16, 17

22, 32

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9, 12

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