64

Input switch open

Vacon · NXS NXP AC Drive

What does 64 mean?

The drive's input switch (main power switch) is detected as open. This means the main power supply to the frequency converter has been disconnected or is not properly closed. The drive cannot operate without its main power supply.

Complete Troubleshooting Guide

  1. 1

    Check the main power switch supplying the drive and ensure it is in the closed (ON) position.

  2. 2

    Verify the power supply to the drive up to the input switch.

Source: Vacon Manual