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ErrorLib — Industrial Fault Code Library

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43

RS485 Timeout

SEW Eurodrive · MOVIDRIVE compact System (MCF/MCV/MCS4_A)

What does 43 mean?

Rapid stop because the RS485 communication connection between the inverter and the PC has been interrupted, leading to a communication timeout. The drive loses its control link to the PC.

Common Causes

  • Communication timeout on the RS485 serial interface.
  • Slave device on RS485 is not responding.
  • RS485 wiring issues (e.g., termination, noise).
  • Incorrect baud rate or communication protocol settings.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the RS485 connection cable and interfaces between the inverter and the PC for integrity.

Browse all codes in this manual (78)
Verified technical data. Last updated: April 2026

Related Faults

00No error0000No error0010Illegal parameter index
Source: SEW Eurodrive MOVIDRIVE compact System (MCF/MCV/MCS4_A)
Open Manual (Page 97)Search more codes in this manual