Omron V330-F Series Connection Manual page 72

No. Overview
5.5. Error Code Storage Area
Setting
Sets #0 in the error code storage area if the judgment in 5.4.
Normal/Error Judgment Processing is "normal end".
Sets the following values in the error code storage area if judgment
in 5.4. Normal/Error Judgment Processing is "error end".
・ Response code error: Response code
・ Timeout: # F401
・ Close processing status error: #F402
Refer to 9.7. Error Code List for details on error response codes.
9. Software Part
Description
72