Live zero error

What does 2 mean?

This warning or alarm appears if programmed in 6-01 Live Zero Timeout Function. It indicates that the signal on one of the analog inputs is less than 50% of the minimum value programmed for that input. Common causes include broken wiring or a faulty device sending the signal, which can lead to incorrect process control.

Complete Troubleshooting Guide

1. 1

   Check connections on all analog input terminals (control card terminals 53, 54, 55, MCB 101 terminals 11, 12, 10, MCB 109 terminals 1, 3, 5, 2, 4, 6).

2. 2

   Verify that the frequency converter programming and switch settings correctly match the analog signal type being used.

3. 3

   Perform the Input Terminal Signal Test available in the drive to diagnose the specific input issue.