Frequently Asked Questions

Last Updated a year ago

The "MODBUS Error" happens when the communication between PLC and Inverter is lost. Sometimes can happen in normal working conditions and the alarm is a notification.

If you press the "Reset button", the alarm disappears and does not reappear again, everything is OK, the communication is reset and it will reappear again only if the connection is lost.

On the other hand if you press the "Reset button" or switch off the machine and the alarm does not reset, it means that the communication between the PLC and the Inverter is faulty. It is necessary to further investigate the cause (disconnected cable, faulty PLC, broken inverter, etc).

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