Troubleshooting

Before sending the unit to your authorized dealer for repair, check the following points.

Symptom

 

Probable Cause

 

Corrective Action

Reference Page

 

 

 

 

 

 

 

 

Power is not

Is the power cord disconnected?

Insert the power cord (plug) firmly.

19

 

supplied.

 

 

 

 

 

 

 

Is the lamp cover properly shut?

Remove the plug when the [STAND BY]

21, 29

 

 

 

 

 

indicator is on. Close the lamp cover prop-

 

 

 

 

 

 

 

 

erly and insert the plug again.

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the filter cover properly shut?

Remove the plug when the [STAND BY]

21, 31

 

 

 

 

 

indicator is on. Close the filter cover prop-

 

 

 

 

 

 

 

 

erly and insert the plug again.

 

 

 

 

 

 

 

 

 

 

 

 

 

Has the lamp life expired? (Has the lamp

Remove the plug when the [STAND BY]

11, 28-30

 

 

 

usage time reached 2000 hours?)

 

indicator is on. Install a new lamp (lamp unit)

 

 

 

 

 

 

 

 

and insert the plug again. Reset the lamp

 

 

 

 

 

 

 

 

time after installing a new lamp (lamp unit).

 

 

 

Light is not

Is the lens cap removed?

Remove the lens cap.

19

 

emitted or light

Is the lamp near exhaustion?

Check the lamp time on the menu. Prepare

22, 25,

is dim.

 

 

 

a new lamp (lamp unit) or replace as soon

28-30

 

 

 

 

 

as possible when the lamp (lamp unit) is

 

 

 

 

 

 

 

 

near exhaustion.

 

 

 

Unit works

Are the air suction openings (air inlets)

Remove the plug when the [STAND BY]

7, 8, 14

when power is

 

and exhaust vents blocked?

 

indicator is on. Remove any blocking ob-

 

 

 

turned on but

 

 

 

ject and insert the plug again.

 

 

 

stops abruptly

 

 

 

 

 

 

 

Are the filters dirty?

Clean the filters.

31

 

after a few

 

 

 

 

 

 

 

minutes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Video image

Are devices properly connected?

Connect devices correctly.

18

 

does not

 

 

 

 

 

 

 

Are signals being output from the con-

Set connected devices correctly.

 

 

 

 

 

 

appear

 

nected devices?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the video image temporarily turned off

Press the [HIDE] button to display the video

21

 

 

 

 

when the [HIDE] button is being pressed?

 

image again.

 

 

 

Video image is

Is the focus correctly adjusted?

Adjust accordingly using the focus ring.

20

 

fuzzy.

 

 

 

 

 

 

 

Is the unit placed too near or too far away

Set the unit at a correct distance from the

16

 

 

 

 

from the screen?

 

screen.

 

 

 

 

 

 

 

 

 

 

 

Video images

Has setting been performed for screen

Set the “Mask” value in the “Set up” menu

26

 

are missing.

 

mask?

 

to “OFF”.

 

 

 

 

 

Has setting been performed for picture

Alter the “Picture Shift” value in the “Op-

27

 

 

 

 

shift?

 

tions” menu to ensure that images are not

 

 

 

 

 

 

 

 

missing.

 

 

 

 

 

 

 

 

 

 

 

Remote

Are batteries installed correctly?

Match the polarities (+ or -) correctly when

13

 

control unit

 

 

 

inserting the batteries.

 

 

 

does not work.

 

 

 

 

 

 

 

Are batteries exhausted?

Replace with new batteries.

13

 

 

 

 

 

 

 

 

 

 

 

Is there an obstructive object between the

Remove any obstructive objects.

17

 

 

 

 

remote control unit and remote sensor?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the remote control held too far away

Hold the remote control closer to the sen-

17

 

 

 

 

from the screen?

 

sor when using.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This unit uses a microcomputer. External noise may cause it to malfunction. If this happens, turn off the power and remove the plug from the power outlet. Insert plug again into the outlet and check operation of the unit. (See Pages 20, 21 on how to turn on/off the power of the unit.)

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