F51

External fault

Vacon · NXP AFE-II Drive

What does F51 mean?

A digital input configured for external fault monitoring has been activated, signaling a fault condition from an external device or system. This is a generic fault triggered by an external safety or monitoring circuit.

Complete Troubleshooting Guide

  1. 1

    Identify the external device or system connected to the digital input and resolve the fault situation at its source.