34

CAN bus communication

Vacon · NXS NXP AC Drive

What does 34 mean?

A message sent over the CAN bus was not acknowledged by another device on the network. This indicates a problem with the CAN bus communication, which could stem from incorrect configuration, wiring issues, or a faulty device on the bus. Loss of communication means the drive cannot be reliably controlled or monitored.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check for conflicting device addresses (node IDs) on the CAN bus, ensuring each device has a unique identifier.

Source: Vacon NXS NXP AC Drive
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