Line Contactor Error

What does LCF mean?

A detected error with the line contactor (input contactor). This means the drive cannot properly connect to or disconnect from the incoming mains power. This can prevent the drive from starting or safely shutting down, posing a safety and operational risk.

Complete Troubleshooting Guide

1. 1

   Verify the control wiring to the line contactor and its coil for continuity and correct voltage.

2. 2

   Inspect the line contactor for physical damage, welded contacts, or an open coil circuit.

3. 3

   Check all safety interlocks and permissive conditions that control the line contactor.

4. 4

   Measure voltage across the contactor coil to ensure it's receiving power when commanded.