F56

Temperature sensor board 1 fault

Vacon · NXP AFE-II Drive

What does F56 mean?

The temperature protection function for sensor board 1 has detected an issue, which could be an exceeded temperature limit, an unwired or non-functional sensor, or a short circuit in the sensor wiring (A1-A3 conditions). This compromises temperature monitoring.

Complete Troubleshooting Guide

  1. 1

    Investigate and identify the underlying cause of any temperature rise in the monitored area.

  2. 2

    Verify the wiring of the temperature sensor connected to board 1, checking for loose connections, breaks, or short circuits.