F1

Over current fault

Vacon · NXP AFE-II Drive

What does F1 mean?

The drive has detected an abnormally high current in one of the output phases, exceeding a hardware trip limit of 4 times the nominal current (Ih). This indicates an immediate and severe electrical overload condition. If left unresolved, it can lead to component damage or system instability.

Complete Troubleshooting Guide

  1. 1

    Check the motor load for any sudden increases or mechanical binding.

  2. 2

    Inspect the motor cables for any signs of short circuits or insulation damage.