42EE

GROUPERR_ADDR_FIFOTABLE

Beckhoff · TwinCAT 2 NC

What does 42EE mean?

This error indicates a problem with the memory address of the FIFO table for the group. The system is unable to locate or access the designated memory region for the FIFO table, which is essential for buffering and sequencing motion commands. This can lead to the inability to execute complex motion profiles.

Complete Troubleshooting Guide

  1. 1

    Check the NC configuration for the group's FIFO table address and ensure it is valid.

  2. 2

    Verify memory allocation and access rights for the FIFO table within the NC system.

  3. 3

    Perform a full NC system restart to reinitialize internal memory addresses.

  4. 4

    If the issue persists, examine system diagnostics for memory corruption or hardware issues.

Source: Beckhoff Manual