INTERNAL ERROR (GROUPERR_SLAVE_INTERNAL)

What does 42FB mean?

An unspecified internal error has occurred within the NC system concerning a slave axis within a group. This indicates a low-level software fault or data inconsistency that prevents the slave axis from functioning correctly. Such internal errors can lead to group motion failure or loss of control over the slave axis.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Ensure all NC software and firmware components are up to date.

2. 4

   If the error is persistent, gather detailed system diagnostics and contact technical support.