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.

 

The power is not

turned on.

 

 

 

 

8,9

turned on.

 

 

 

 

The power cord is

Plug the power cord into an AC

 

 

disconnected.

power outlet.

 

 

 

 

 

 

 

 

The input is not correctly set.

Use the projector or remote control

10

 

transmitter to set.

 

 

No video or audio.

 

 

 

 

 

 

 

 

 

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

control or display the menu screen

no audio.

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

WHISPER mode is set.

Clear WHISPER mode.

 

15

 

 

 

 

 

 

Video is blurred.

Focus or H PHASE is out of

Adjust the focus or H PHASE.

9,12

adjustment.

 

 

 

 

 

 

 

 

 

 

 

ENGLISH-22

Page 33
Image 33
Dukane 28A9115 user manual Symptom Possible cause Remedy