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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

53

Fieldbus Fault

Vacon · NX All-in-One Application

What does 53 mean?

This fault indicates a defective data connection between the fieldbus master and the drive's fieldbus option board. This prevents the drive from receiving commands or transmitting data via the fieldbus network, disrupting integrated control.

Common Causes

  • Fieldbus communication cable disconnected or damaged.
  • Incorrect fieldbus address or configuration in parameters (e.g., P8-01).
  • Network congestion or failure on the fieldbus.
  • Faulty fieldbus interface module.
  • Device not responding on the fieldbus network.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the fieldbus installation, including wiring, terminations, and network components for proper setup.

  2. 2

    Verify the operational status and configuration of the fieldbus master device.

Browse all codes in this manual (42)
Verified technical data. Last updated: April 2026

Related Faults

1Overcurrent10Input line supervision11Output phase supervision
Source: Vacon NX All-in-One Application
Open Manual (Page 377)Search more codes in this manual