Troubleshooting

The following list provides basic help in case of errors and should be read before contacting our support department.

1.Check if one of the PLC function blocks returns an error code:

2.Activate the logging option in the TcSmtpConfig.xml

Enable verbose logging by setting the EnableLogFile = 2 and restart TwinCAT. The log file will be generate in \TwinCAT\Functions\TF6350-SMS-SMTP .

3. Check SMTP Connection via Telnet

Use a telnet client (e.g PuTTY), try to connect to SMTP port (default 25) of the mail server and send a HELO command 220 mail.company.com Microsoft ESMTP MAIL Service readyHELO250 mail.company.com Hello [192.168.0.123] The mail server should reply with your IP.
If the troubleshooting checklist does not help, please contact our support department and provide the following information:

General system information

What kind of hardware is being used on the computer running TF6350 SMS/SMTP?
Beckhoff IPC or Embedded PC: Which product number does the PC have?
Which Operating System image version is currently installed on that computer?

Product-related system information

Which version of TF6350 SMS/STMP is being used?
Which function blocks of the Tc2_SMTP library are being used in the PLC program?
Which SMTP Server is being used?
Please provide the SMTP logfile (see 2. of the troubleshooting list)

Please provide an exact description of the environment in which the product TF6350 SMS/SMTP is being used

Where is the computer running TF6350 SMS/SMTP located?
Where is the SMTP-Server located? (Local network, Internet)
Which encryption is in use? (NON, STARTTLS, SSL)
What are the IP settings of the Mail-Server and the computer running TF6350 SMS/SMTP? (IP address, subnet mask, Ports)