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Fault 34 in danfoss vacon 20 drive

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Cause : Internal bus communication comes when the communication between different components or modules within the motor control system, often facilitated by a bus system like CAN (Controller Area Network) or Modbus.

If there are issues with internal bus communication, it can disrupt the exchange of data between components, leading to malfunctions or errors in the system.

  1. Ambient interference or defective hardware.
  2. Should the fault re-occur, contact the distributor near to you.
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