the station number of the connected GT is not on.
Check the connected GT designation area.
**20FF Token error
There is a GT
unresponsive to the
token.
When the error code is indicated for a certain period of time after
the power supply turned on.:
1. The timings for turning on multiple GT units are different.
Arrange the wiring that enables the power supplies to be
simultaneously turned on.
2. The screen displays for all GT units have not completed.
The error code disappears when the screen displays for all
GT units have completed.
3. The settings for the startup screen display vary.
Make the same setting for all the connected GT units.
When the error code is always indicated:
1. There is an unconnected or faulty GT.
Check if there is a GT indicating [**20FF]. Reconnect the GT,
or turn off the bit in the connected GT designation area.
2. The communication parameters are not specified correctly.
Check the baud rate and transmission format for the GT.
3. The same station number is used for more than one GT units.
Check the station number setting of the connected GT units.
4. Another GT is reading a SD card.
The indication disappears when reading the SD card has