F3160

Safety bus communication error

Bosch Rexroth · IndraDrive MPx02

What does F3160 mean?

This non-fatal safety error indicates a communication failure on the safety bus (e.g., PROFIsafe, FSoE) connected to the IndraDrive MPx02. Reliable communication is critical for transmitting safety-relevant commands and feedback, and an error means these signals are not exchanged properly.

Common Causes

  • Disruption of the safety bus communication cable (e.g., broken wire, loose connection).
  • Incorrect safety bus address or configuration parameters in the IndraDrive MPx02 or the safety PLC.
  • Failure of the safety bus master or a slave device.
  • High levels of electromagnetic interference on the safety bus line.
  • Incorrect or missing termination resistors on the safety bus.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the physical safety bus cable (e.g., PROFIsafe cable, FSoE fiber) for damage, loose connectors, or improper shielding.

  2. 2

    Verify the safety bus communication parameters, including addresses and baud rates, in both the IndraDrive MPx02 and the safety PLC.

  3. 3

    Check the status indicators (LEDs) on the IndraDrive MPx02 and the safety PLC for communication faults.

  4. 4

    Ensure correct termination resistors are installed on the safety bus network, if required by the bus type.

  5. 5

    Monitor the safety bus communication traffic using appropriate diagnostic tools to identify the source of the disruption.

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Verified technical data. Last updated: March 2026

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Source: Bosch Rexroth IndraDrive MPx02