5. Simple Troubleshooting
Symptom
Solution
Power cannot be turned
on.(Power indicator
does not light.)
-Check that both ends of the power cable are
plugged into the socket appropriately and the wall
socket is operational.
No Input Signal
message appears.
-Check that the signal line is connected properly.
-Check that the power of the relevant peripherals is
turned on.
-Check that the Input option that has been selected
matches with the input signal.
The remote control does
not function properly.
-Check the batteries are not drained.(Use new
batteries.)
-Check that the remote control is within the operating
range.
-Check that the remote control is pointed to the
remote control window on the display.
-Check that there are no obstacles between the
remote control and the remote control window.
Flashing spots or stripes
appear on the screen.
-Check that there are no emission (Car, HV cable or
Neon lamp) or other possible interference sources.
Image colour or quality
deteriorates.
-Check that all the video settings are adjusted
appropriately, such as brightness, contrast, colour
etc.
-For more information about video settings, refer to
OSD Functions in Chapter 2.
Screen position and
size are incorrect.
-Check that the screen position and size is adjusted
appropriately.
Image or colour is
incorrect.
-Check that the signal line is connected properly.
-When connecting to a PC, you can change the
resolution of the PC to acquire the correct image.
The discrepancy of the PC output signal may affect
the display of the image.
Display warning
message.
-Check that the input signal line is properly fixed.
-Select the correct input signal.
-For more information, refer to Supported Signal
Modes in Chapter 4.
If the display fails or the performance changes dramatically, check the Display
in accordance with the following instructions. Remember to check the
peripherals to pinpoint the source of the failure.
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