Buzzer sounds
continuously
Bit F of the first word in the basic
communication area bit device is set
to ON.
Set the F bit to OFF on the PLC side. (Do not use the
basic communication area with ladder programs.)
Backlight color
changes/
flashes
Bits A and B, and Bit D, of the first
word (backlight color setting) in the
basic communication area bit device
are set to ON. Or, Bits C and D
(backlight flashing setting) are set to
ON.
Perform correct bit operations on the PLC side. (Do not
use the basic communication area with ladder
programs.)
Cannot transfer
data from
GTWIN
1) The USB or LAN cable (GT32T1)
is not connected.
1) Confirm that the screen transfer cable is correctly
and firmly connected.
2) The PC and GT COM. port are
connected.
2) Connect the USB cable or LAN cable (GT32T1)
correctly.
3) The network type in the
communication settings has been
set to “RS232C”.
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.
- Screen is blank
(power supply
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
An error has occurred in the GT
system.
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) The speaker is not connected.
1) Connect an audio output equipment (speaker with a
built-in 3.5-mini plug amplifier).
2) The setting for using sound is not
on.
2) Set the sound setting of the GTWIN configuration
settings to be on.
The backlight flashes for a while when the F-ROM clear is executed.
Once the F-ROM clear is complete, the buzzer sounds and the message "Memory is cleared" is
displayed on the screen.
Set the operation mode setting switches to the state in the normal use after confirming this message,
and turn on the power again.
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