Panasonic GT01 User Manual page 111

Problem
Screen 1) No screen number has been written to
doesn't the screen setting area (the first word
switch in the basic communication area word
device) from the PLC.
2) The screen number to which you are
attempting to switch has already been
written from the PLC to the screen
setting area (the first word in the basic
communication area word device.)
Screen is 1) The power voltage may be low.
dim
2) The contrast is set too low.
3) The backlight brightness is set too
dark.
4) The backlight is off due to the
[Backlight Auto-off] setting in the
[Setup] of the GT configuration
settings in GTWIN.
Backlight 1)The backlight auto-off timer setting is
goes off too too short.
quickly
Date/time 1) The PLC's internal calendar timer
display is used as a reference is incorrect.
incorrect
Touch panel 1) Valid conditions have been set for the
doesn't work switch part, but those conditions have
not been met.
No operating 1) The [Switch Sounds] setting under
sounds are [Options] in the switch part attributes
heard when is set to [Disabled].
the touch
2)The [Touch Sounds] setting under
panel is
[Setup] in the GT configuration
pressed.
settings in GTWIN is set to [Disabled].
Nothing Communication conditions of GT (COM
happens for port) and PLC differ.
about 10
seconds
after turning
on power.
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Cause Solution
1) Specify correct screen number.
2) Refer to Reference Manual.
1) Check the capacity of the power supply unit if it is
enough for the GT's power consumption.
2) Bring up the system menu and adjust the contrast.
3) Bring up the system menu and adjust the
brightness.
4) Touching any area of the screen lights that area. If a
switch part is set on the touched area, the area will
not light even if touched. To change the setting,
change the content of the backlight auto-off settings.
1) Change the backlight auto-off timer setting.
1) Adjust by rewriting the value in the PLC's internal
calendar timer.
1) Check that the device status conditions on the PLC
side are valid.
1) Change the setting to [Enabled].
2) Change the setting to [Enabled].
Verify communication settings of GT and PLC and
then make them the same.