Troubleshooting
Before sending the unit to your authorized dealer for repair, please check the following points.
The following symptoms are not malfunctions.
You do not need to worry about the following symptoms if there is no abnormality on the screen.
A part of the top or front surface of the unit is hot.
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A creaking sound is heard from the unit
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An operating sound is heard from the inside of the unit.
0
Color smear occurs on some screens
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This unit is a digital device. This unit may become unable to operate normally due to external static or noise.
Perform the following operations when such malfunctions occur.
A If the unit is in the Standby mode, pull out the power plug, followed by inserting it again
B Press the A [STANDBY/ON] button on the main unit to turn on the power again
When "High Altitude Mode" is set to "On", and "Lamp Power" is set to "High" during 3D mode, the fan will
make louder noise than usual since it is designed to run at high speed in 3D mode.
Power is not supplied
Check
Is the power cord disconnected?
Is the lamp cover properly shut?
Is the lamp in the Cool-down mode?
Power shuts down automatically
Check
Has "ECO Mode" been configured?
Has "Off Timer" been configured?
Are the air inlets and exhaust vent
blocked?
Is the filter dirty?
Video image does not appear
Check
Is the correct external input selected?
Is the power of the AV device turned on? Turn on the power of the AV device and play the video.
Is the AV device properly connected?
Are the correct signals being output from
the AV device?
Is the cable in use an HDMI-certified
cable?
Insert the power cord (plug) firmly.
If the unit is in the Standby mode, remove the power plug
and close the lamp cover properly. After that, insert the plug
again.
After exiting the Cool-down mode, turn on the power again. p. 26
Set "ECO Mode" to "Off".
Set "Off Timer" to "Off".
Leave proper clearance when installing the unit
Clean the filter.
Select the correct external input terminal.
Connect the AV device properly.
Set the AV device properly.
Use an HDMI-certified high-speed cable. Also, use as
short a cable as possible.
Action
Action
Action
Refer to
p. 24
p. 62
Refer to
p. 59
p. 59
p. 14, 15
p. 19
p. 64
Refer to
p. 25
p. 22
p. 22
p. 22
p. 22
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