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.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

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