Continuous operation during communication fault

What does CF mean?

This warning appears when the inverter continues to operate despite an error detected in the communication line or communication option, specifically when Pr.502 is set to '6'. It indicates an ongoing communication problem that, while not immediately stopping the inverter, requires attention.

Complete Troubleshooting Guide

1. 1

   Check the communication cable for any breaks or loose connections.

2. 2

   Inspect the communication option for faults and replace it if necessary.