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How do I fix an F86 Fieldbus Fault code for a DG1 drive?

The Fieldbus fault is an indication that there is an issue with the EIP fieldbus network messages. There was a loss in communication between the drive and the master after a specified timeout time. To solve this fault, the cabling from the master to the drive and parameters in the master and drive need to be verified to ensure they are matching up correctly for message addressing. If communication is established the fault should not occur, and should be able to be reset.