6

Emergency Stop Triggered

Vacon · NX Liquid-Cooled Drive

What does 6 mean?

A stop signal has been received from an option board, indicating activation of the emergency stop circuit. This fault causes the drive to stop immediately.

Common Causes

  • External emergency stop signal activated.
  • Internal emergency stop logic triggered by safety circuits.
  • Faulty emergency stop button wiring or device.
  • Safety interlock circuit activated.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the emergency stop circuit and all connected safety devices and wiring to determine the source of the stop signal.

  2. 2

    Verify the status of all emergency stop buttons and safety interlocks in the system.

Browse all codes in this manual (52)
Verified technical data. Last updated: March 2026

Related Faults

Source: Vacon NX Liquid-Cooled Drive