Panasonic GT01 User Manual page 115

Problem
Buzzer sounds Bit F of the first word in the basic
continuously communication area bit device is set
to ON.
Backlight color Bits A and B, and Bit D, of the first
changes/ word (backlight color setting) in the
flashes basic communication area bit device
are set to ON. Or, Bits C and D
(backlight flashing setting) are set to
ON.
Cannot transfer 1) The USB or LAN cable (GT32T1)
data from
GTWIN
2) The PC and GT COM. port are
3) The network type in the
- Screen is blank An error has occurred in the GT
(power supply system.
and
substitution
settings noted
above do not
apply)
- An incorrect
screen is
displayed
(error codes
and erroneous
date and time
items noted
above do not
apply)
- Switch doesn't
work (grid and
validity settings
noted above
are correct)
- Buzzer sounds
continuously
No sound is 1) The speaker is not connected.
output.
2) The setting for using sound is not
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Cause
is not connected.
connected.
communication settings has been
set to "RS232C".
on.
Solution
Set the F bit to OFF on the PLC side. (Do not use the
basic communication area with ladder programs.)
Perform correct bit operations on the PLC side. (Do not
use the b
asic communication area with ladder programs.)
1) Confirm that the screen transfer cable is correctly
and firmly connected.
2) Connect the USB cable or LAN cable (GT32T1)
correctly.
3) Set the network type in the communication settings
to "Ethernet" for using a LAN cable.
Set the network type to "USB" for using a USB
cable.
1)
After confirming the safety of the device, etc., turn
off the power supply and then turn it on again. The
GT CPU will be reset.
2)
If 1) produces no change, bring up the system
menu and initialize the memory (F-ROM), then
transfer data again from GTWIN to the GT.
NOTE:
When doing this, all base screen data, GT setting
data, keyboard screen data, and bitmap data will
be lost. Before doing this, make sure all data has
been backed up.
3)
If 2) produces no change, set the operating mode
setting switches 2, 3 and 4 on the rear of the main
unit to ON and reset the power supply.
NOTE:
When doing this, all of the contents will revert to
those in effect at the time of shipping, and all of the
GT memory contents will be cleared. Before doing
this, make sure all data has been backed up.
1) Connect an audio output equipment (speaker with a
built-in φ3.5-mini plug amplifier).
2) Set the sound setting of the GTWIN configuration
settings to be on.