26
Troubleshooting (cont.)
Symptom Probable cause and corrective action Page
Power is suddenly turned on
or off.
• The Power-on/off Timer is activated. Deactivate it. 17
• “AUTO POWER” of “MOTION SENSOR” is set to “ON.”
Deactivate it. 19
The picture becomes blurred.
• Adjust “CONTRAST” or “BRIGHT” of “PICTURE
SETTING.” 13
• For RGB input, adjust “DOT CLOCK” and “CLOCK
PHASE” on the main menu. 13
• If the connection cable used for the RGB IN terminal is
long, set “SYNC TERM.” to “LOW.” 16
Color is abnormally bright or
dark.
• Adjust the picture quality on “PICTURE SETTING” of the
main menu. 13
• If “TEMP. OVER” is displayed, follow the procedure
described on page 27. 27
Color is poor or unstable. Select the correct color system. 14
The picture is cut or shifted
toward one side.
• Input signals (scanning frequency, etc.) are not
appropriate. 8
• Adjust the size and position properly. 13
Some items cannot be selected
on the menu.
Items not available for the current input or signal format
cannot be selected. Change the input or signal format. —
“PLEASE ENTER PASS ID”
appears when trying to turn on
the monitor.
The Security Lock is activated. Enter the password to turn
on the monitor, and then deactivate the Security Lock. 15, 17
Buttons on the main unit do not
work.
• The Control Lock is activated. Deactivate it. 16
• You cannot use the buttons for the items controlled by the
external control. Disable the external control. —
• You cannot use the buttons for the items controlled by the
motion sensor. Deactivate the control by the sensor. 19
The motion sensor does not
work.
If the detection parts (lens) of the sensor is dirty, the
sensing level decreases. Wipe the lens with soft cloth. —
• The motion sensor does not work when all the motion
sensor settings are “OFF.” 19
The motion sensor does not
detects the human in the
detection area.
• The sensor will not detect a human who is not moving.
• The detectivity of the sensor decreases when the
temperature difference between a body and environment
is small.
—
The motion sensor works while
no human is in the detection
area.
In the following cases, the sensor detects the motion and
makes the monitor perform the specified operation.
• Animals such as dogs and cats are moving around the
monitor.
• Clothes (such as curtain) or plants swaying in the wind is
around the monitor.
—
The following are not malfunctions.
• When a still image is displayed for a long time, it may remain indistinctly on the screen after the picture
has changed. Though the remaining picture will disappear after a while, there may be a case that it
remains for a long period depending on the length of time the still image was displayed for. This is due
to the characteristics of the LCD display and is not a malfunction.
• The red spots, blue spots and green spots on the panel surface are a normal characteristic of LCD
displays, and not a problem. The LCD display is built with very high precision technology; however, be
aware that a few pixels may be missing or constantly lit.
• The following symptoms are problems only when pictures or sounds are not played back normally.
– A slight electric shock occurs when you touch the monitor.
– The top and/or rear panel of the monitor becomes hot.
– The monitor emits a cracking noise.
– The monitor emits a mechanical noise.
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