A983

External warning 3

ABB · ACS580 General Purpose Drive

What does A983 mean?

An external device configured as External Event 3 (parameters 31.05 and 31.06) has generated a warning. This indicates a potential issue with external equipment or sensors that should be investigated, though it may not cause an immediate drive trip. Addressing warnings proactively prevents escalation to faults.

Complete Troubleshooting Guide

  1. 1

    Inspect the external device connected to External Event 3 for any malfunctions or issues.

  2. 2

    Verify the settings of parameter 31.05 (External event 3 source) to ensure the correct input is being monitored.

  3. 3

    Check wiring and connections between the drive and the external device for integrity and proper termination.