59

Follower Communication Break

Vacon · NX Liquid-Cooled Drive

What does 59 mean?

The SystemBus or CAN communication link between the Master and Follower units in a multi-drive system is broken. This interruption prevents synchronized operation and data exchange between the connected drives.

Common Causes

  • Communication break with a follower device or module.
  • Follower device offline or unresponsive.
  • Communication network issue between devices.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the option board parameters related to SystemBus or CAN communication for correct configuration (e.g., node IDs, baud rates, communication protocols).

  2. 2

    Inspect the optical fibre cable (for SystemBus) or CAN cable (for CAN communication) for any physical damage, breaks, or loose connections.

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Verified technical data. Last updated: March 2026

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Source: Vacon NX Liquid-Cooled Drive