43

RS485 timeout

SEW Eurodrive · MOVIDRIVE compact System

What does 43 mean?

The communication connection between the inverter and a connected PC or master device via RS485 has been interrupted or timed out. This fault results in a rapid stop, indicating a loss of diagnostic or control communication over the serial interface.

Complete Troubleshooting Guide

  1. 1

    Check the physical RS485 connection cable between the inverter and the PC or master device for integrity.

  2. 2

    If the fault persists after verifying the connection, contact SEW Service for further troubleshooting of the communication interface.

Source: SEW Eurodrive Manual