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ErrorLib — Industrial Fault Code Library

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13.2

Unknown Encoder Type (Encoder 1)

SEW Eurodrive · MOVIDRIVE system

What does 13.2 mean?

The connected Encoder 1 type is not recognized or supported by the inverter's firmware. This prevents the drive from correctly interpreting encoder signals, leading to non-functional position or speed feedback. Continued operation without proper encoder recognition is impossible.

Common Causes

  • Encoder connected is not listed in the drive's supported encoder list (firmware limitation).
  • Incorrect encoder type selected in the drive's configuration parameters (e.g., P7-00 set to wrong encoder type).
  • Firmware version of the drive is outdated and does not support newer encoder models.
  • Faulty encoder ID chip or internal memory preventing proper identification by the drive during initialization.
  • Damaged data lines or communication issues preventing the drive from reading the encoder's identity information.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the actual encoder model number against the drive's technical manual for supported encoder types.

  2. 2

    Check the encoder type selection parameter (P7-00 or similar) in the drive and ensure it matches the connected encoder.

  3. 3

    Attempt to update the drive's firmware to the latest version, which might include support for more encoder types.

  4. 4

    Inspect the encoder communication cable for continuity on all data lines and shield using a multimeter.

  5. 5

    Connect a known compatible encoder (if available) to the drive to rule out a defective encoder unit.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

12.1Brake Output Fault12.224V Brake Voltage Fault13.1Position Comparison Check (Encoder 1)
Source: SEW Eurodrive MOVIDRIVE system
View Official PDFSearch more codes in this manual