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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.

6

Emergency Stop

Vacon · NX All-in-One Application

What does 6 mean?

An emergency stop signal has been received from an option board, immediately halting drive operation for safety reasons. This indicates that the emergency stop circuit has been activated, requiring investigation into its status.

Common Causes

  • The emergency stop button has been pressed, triggering a safety shutdown.
  • An external safety signal has activated the emergency stop circuit.
  • A fault condition automatically triggers an emergency stop sequence.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the entire emergency stop circuit, including buttons, relays, and wiring connected to the option board, to identify the activated component.

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 371)Search more codes in this manual