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ErrorLib — Industrial Fault Code Library

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F8201

Safety command for basic initialization incorrect

Bosch Rexroth · IndraDrive MPx02

What does F8201 mean?

This fatal safety error indicates that the command received by the IndraDrive MPx02 for basic safety initialization is incorrect or invalid. This prevents the drive from establishing its fundamental safety functions, making it unable to operate safely and leading to a protective halt.

Common Causes

  • Incorrect sequence or value of the safety initialization command from the master controller or safety PLC.
  • Mismatch between the expected safety protocol and the received command.
  • Communication error preventing the correct safety initialization command from reaching the IndraDrive MPx02.
  • Incorrect parameterization of the drive's basic safety settings.
  • Firmware incompatibility with the safety initialization procedure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the exact sequence, timing, and value of the basic safety initialization command being sent by the master controller or safety PLC.

  2. 2

    Check safety parameters in the IndraDrive MPx02 related to basic safety functionality and ensure they are correctly set.

  3. 3

    Inspect the communication link between the master controller and the IndraDrive MPx02 for integrity.

  4. 4

    Ensure that the firmware version of the IndraDrive MPx02 is compatible with the safety configuration and initialization process.

  5. 5

    Refer to the IndraDrive MPx02 safety manual for the precise safety initialization procedure and required command structure.

Browse all codes in this manual (99)
Verified technical data. Last updated: April 2026

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Source: Bosch Rexroth IndraDrive MPx02
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