User manual

5.3 Error Codes and How to Handle Them
5.3.1 About Error Codes
When an error occurs in the GT series, an error code displays at the top right of the screen. There are
two types of error codes, GT series error codes and PLC error codes.
5.3.2 GT Series Error Codes
The following error codes are displayed when there is an error in the GT.
For GT01, GT11 and GT21
Code No.
Content
Cause and solution
ERFF
Time up error
No response from the
PLC.
1) The PLC connection cable is disconnected. Check the
connection cable to make sure it is connected.
2) There is a temporary error due to noise, etc. Re-supply power
to the PLC and GT.
ER21
Data error
A data error occurred
during
communication.
1) An error exists in the communication condition settings.
Check the PLC and GT baud rate and transfer format.
2) There is a temporary error due to noise, etc. Re-supply power
to the PLC and GT.
ER22
Overrun error
The GT cannot
receive data.
The reception buffer in the GT is overflowing.
There could be an error in the PLC
Re-supply power to the PLC and GT.
For GT02, GT02L, GT03-E, GT05, GT12, GT32, GT32-R and GT32-E
Code No.
Content
Cause and solution
**00FF Time up error
1) The PLC connection cable is disconnected. Check the
connection cable to make sure it is connected.
2) There is a temporary error due to noise, etc. Re-supply power
to the PLC and GT.
**0100
Keyboard screen data
parts digit error
Check if the digit of the data parts on the keyboard screen has
been set correctly.
**0101 Alarm history error
When updating the alarm history display is stopped, alarm
history data displayed on the GT’s screen has been updated
within the memory. Once the stop of display update is cancelled,
new data is displayed.
**0102
True Type font file
transfer error
Screen data is not transferred correctly. Re-transfer after
deleting all data.
**0500 Tool setting error
The device that cannot be used is specified for the data. Check
if the used device is correct. (e.g. the word device is set in the
bit area.)
**1000
SD memory card not
inserted
The SD memory card is not inserted to the SD memory card slot
properly. Check the SD memory card slot.
**1001
SD memory card
writing error
Data cannot be written to the SD memory card. Check whether
the SD memory card is not write-protected.
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