Defect in cross comparis.

What does F01611 mean?

A critical data exchange error has occurred between the internal processors, indicating a defect in the cross-comparison function or processor communication, often related to safety functions. This can be caused by EMC interference or internal hardware issues, leading to unsafe operating conditions or a drive shutdown.

Complete Troubleshooting Guide

1. 1

   Assess and implement measures to reduce electromagnetic compatibility (EMC) interference in the installation environment.

2. 2

   Perform a forced dynamisation procedure as per the drive's safety manual to re-verify safety functionality.

3. 3

   If the fault persists, it may indicate an internal hardware fault within the control unit, requiring replacement.