5 
Troubleshooting
Troubleshooting
Before sending the unit to your authorized dealer for repair, check the following points.
The following situations are not malfunctions.
You do not need to worry under the following situations if there is no abnormality on the screen. zPart of the top surface or front of the unit is hot.
zA creaking sound is heard from the unit.
zAn operating sound is heard from the internal of the unit. zColor smear occurs on some screens.
Perform the following operations when the unit is unable to operate normally due to external static or noises.
A When the unit is in standby mode, pull out the power plug, then insert again.
B Press 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. | pP20 | |
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| Remove the power plug when the unit is in standby mode and |
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Is the lamp cover properly shut? | close the lamp cover properly. After that, insert the plug | pP41 | |
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Is the lamp in Cool Down mode? | After the Cool Down mode is complete, turn on the power | pP21 | |
again. | |||
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Projected image is dark
| Check the lamp time on the information menu. Prepare a new |
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Is the lamp near exhaustion? | lamp unit or replace as soon as possible when the lamp is near | pP40f42 |
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The unit works when power is turned on but stops abruptly after a few minutes
Are the air inlets and exhaust vent | Remove the power plug when the unit is in standby mode and | pP3, 10 | |
blocked? | remove any blocking object. After that, insert the plug again. | ||
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Is the filter dirty? | Clean the filter. | pP43 | |
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Video image does not appear
Is the lens cap removed? | Remove the lens cap. | pP20 |
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Is the correct external input selected? | Select the correct external input. | pP20 |
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Is the AV device properly connected? | Connect the AV device properly. | pP14f17 | ||
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Is the power of the AV device turned on? | Turn on the power of the AV device and play the video. | pP20 |
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Are the correct signals being output from | Set the AV device properly. | pP14f17 | ||
the AV device? | ||||
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Is the setting of the input terminal correct? | Set “COMP” and “HDMI” in the setting menu according to the | pP28 - Q | ||
input signal. | p | - R | ||
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Is the video image temporarily hidden? | Press the [HIDE] button to display the video image again. | pP21 |
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Color does not appear or looks strange
Is the image correctly adjusted?
Adjust “Color” and “Tint” in the setting menu.
pP25 - C D
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