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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.

30

Safe Disable Active

Vacon · NX All-in-One Application

What does 30 mean?

This fault indicates that the Safe Disable input on the OPTAF board has opened, activating the safe torque off function. This is a safety feature to prevent unintended motor startup or operation.

Common Causes

  • A safety signal has activated the 'safe disable' state, halting operation.
  • An external safety controller has commanded a safe shutdown.
  • Internal safety logic has engaged the safe disable function.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Investigate the cause for the OPTAF board's input to open.

  2. 2

    Cancel the Safe Disable function, ensuring all safety procedures are followed before re-enabling operation.

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 374)Search more codes in this manual