External Fault at Terminal S4

What does EF4 mean?

This fault is triggered when an external condition connected to multi-function digital input terminal S4 activates the Drive's external fault function, causing the Drive to stop. It indicates an issue with the external device or process monitored by S4, which could lead to machine downtime or safety risks if misidentified.

Complete Troubleshooting Guide

1. 1

   Identify and eliminate the root cause of the external fault condition that is connected to terminal S4.

2. 2

   Verify the wiring and functionality of the external device connected to terminal S4.

3. 3

   Check parameter settings for the multi-function digital input H1-02 to ensure it is correctly configured for external fault detection.