11

Operator Fault

Allen-Bradley · 160 AC Drive

What does 11 mean?

This fault occurs specifically when the program keypad module is physically removed from the controller while the controller is still powered on. It is a protective measure to prevent unintended parameter changes or operational interruptions.

Complete Troubleshooting Guide

  1. 1

    Clear the active fault from the controller.

  2. 2

    Ensure the program keypad is never removed while the controller is receiving power.