TROUBLESHOOTING (continued)

Symptom

Before requesting repair, check in accordance with the following chart. If the situation cannot be corrected, then contact your dealer.

Table 11. Symptom

Symptom

Possible cause

Remedy

 

Page

 

 

 

 

 

 

 

The main power switch is not

Turn on the main power switch.

 

 

turned on.

 

 

 

 

 

8,9

 

 

 

 

 

 

The power cord is

Plug the power cord into an AC

 

 

The power is not

disconnected.

power outlet.

 

 

 

 

 

 

 

 

turned on.

 

Turn off the projector with the main

 

 

The main power was

power switch (set the power switch

9

 

disconnected during operation

to [O]), and wait for about 20

 

 

by the power failure and so on.

minutes. When the equipment has

 

 

 

cooled enough, turn power on.

 

 

 

 

 

 

The input is not correctly set.

Use the projector or remote control

10

No video or audio.

transmitter to set.

 

 

 

 

 

 

 

 

 

 

 

 

No signal input.

Connect correctly.

 

 

7,8

 

 

 

 

 

 

 

The projector is not correctly

Connect correctly.

 

 

7,8

 

connected.

 

 

 

 

 

 

 

 

 

 

 

 

Video is present but

The volume is set to minimum.

Press VOLUME

on the remote

11,15

no audio.

control or display the menu screen

 

and adjust the volume.

 

 

 

 

 

 

 

 

 

 

 

 

 

Mute is turned on.

Press the MUTE

button.

 

11

 

 

 

 

 

 

 

The projector is not correctly

Connect correctly.

 

 

7,8

 

connected.

 

 

 

 

 

 

 

Audio is present but

 

 

 

The brightness adjustment knob

Select BRIGHT with the MENU

12

no video.

is rotated fully clockwise.

button and the press the

button.

 

 

 

 

 

 

 

The lens cap is still attached.

Remove the lens cap.

 

9

 

 

 

 

 

 

Colors are pale and

Color density and color

 

 

 

12

color matching is

matching are not correctly

Adjust the video.

 

 

poor.

adjusted.

 

 

 

 

 

 

 

 

 

 

 

Brightness and contrast are not

Adjust the video.

 

 

12

 

correctly adjusted.

 

 

Images are dark.

 

 

 

 

 

 

 

 

 

The lamp is nearing the end of

Replace with a new lamp.

 

17

 

 

 

its service life.

 

 

 

 

 

 

 

 

 

 

 

 

Video is blurred.

Focus or H PHASE is out of

Adjust the focus or H PHASE.

9,12

adjustment.

 

 

 

 

 

 

 

 

 

 

 

ENGLISH-22

Page 24
Image 24
Dukane 8941A, 28A8941 user manual Symptom Possible cause Remedy

28A8941, 8941A specifications

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