Live zero error

What does 2 mean?

This warning/alarm appears if programmed in parameter 6-01 Live Zero Timeout Function. It indicates that the signal on one of the analog inputs is less than 50% of its programmed minimum value, typically caused by broken wiring or a faulty signal-sending device.

Complete Troubleshooting Guide

1. 1

   Check connections on all analog mains terminals (control card 53/54/55, VLT GIO MCB 101 terminals 11/12/10, VLT AIO Option MCB 109 terminals 1/3/5/2/4/6).

2. 2

   Verify that the drive programming and switch settings match the analog signal type being used.

3. 3

   Perform an input terminal signal test to diagnose the analog input circuit.