5 
Troubleshooting
Troubleshooting
Before sending the unit to your authorized dealer for repair, please check the following points.
The following situations are not malfunctions.
■You do not need to worry about the following situations if there is no abnormality on the screen.
●Part of the top surface or front of the unit is hot.
●A creaking sound is heard from the unit.
●An operating sound is heard from the inside of the unit.
●Color smear occurs on some screens.
■Perform the following operations when the unit is unable to operate normally due to external static or noise.
1When the unit is in standby mode, please pull out the power plug, then insert again.
2Press the power button on the unit to turn on the power again.
■A sound may be heard when the lamp is off but there is no danger.
■
Power is not supplied
Is the power cord disconnected? Insert the power cord (plug) firmly. | P24 | ||
Is the lamp cover properly shut? | Remove the power plug when the unit is in standby mode and | P49 | |
close the lamp cover properly. After that, insert the plug again. | |||
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Is the lamp in Cool Down mode? | After the Cool Down mode is complete, turn on the power | P25 | |
again. | |||
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Projected image is dark
Is the lamp near exhaustion?
Check the lamp time on the information menu. Prepare a new lamp unit or replace as soon as possible when the lamp is near exhaustion.
P48 to 50
The unit works when power is turned on but stops abruptly after a few minutes
Are the air inlets and exhaust | Remove the power plug when the unit is in standby mode and | P12 to 13 | |
vent blocked? | remove any blocking object. After that, insert the plug again. | ||
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Is the filter dirty? | Clean the filter. | P51 | |
Video image does not appear |
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Is the correct external input | Select the correct external input. | P24 | |
selected? | |||
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Is the AV device properly | Connect the AV device properly. | P16 to 20 | |
connected? | |||
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Is the power of the AV device turned | Turn on the power of the AV device and play the video. | P24 | |
on? | |||
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Are the correct signals being | Set the AV device properly. | P16 to 20 | |
output from the AV device? | |||
| P35 - 11 | ||
Is the setting of the input terminal Set “COMP.” and “HDMI” in the setting menu according to | |||
correct? | the input signal. | P36 - 12 | |
Is the video image temporarily | Press the [HIDE] button to display the video image again. | P25 | |
hidden? | |||
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The picture cannot be projected
Will the picture flicker and become invisible with HDMI input?
Please use a short HDMI cable.
P18
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