2.2 Checking Error Details
2.2.1 Connection Error
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Troubleshooting Errors in Communication with MPE720
2.2 Checking Error Details
If a connection with MPE720 cannot be established, check the details of the error by referring to the information
that MPE720 notifies. The error information notified is given below.
2.2.1 Connection Error
If the message “Cannot connect to the controller.” is displayed, the IP address of the computer may be set to be auto-
matically allocated, or the IP address of the computer may not be set properly in the communication settings or com-
munication process settings.
For details, refer to the following sections.
• 2.3 Checking the IP Address of the Computer
• 2.4 Checking the Communication Settings
• 2.5 Checking the Communication Process Settings
2.2.2 Communication Error
If the message “Failed to communicate with controller.” is displayed, the IP address of the target Machine Controller,
may not be set properly in the communication settings.
For details, refer to 2.4 Checking the Communication Settings.