F3141

Selection validation error

Bosch Rexroth · IndraDrive MPx02

What does F3141 mean?

An error occurred during the validation of a safety-related selection. This implies a problem when selecting or activating a specific safety function or operating mode (e.g., 'Safe Operating Stop', 'Safely Limited Speed'). The selection could be invalid, inconsistent, or fail a self-test, preventing the desired safety mode from being entered securely.

Common Causes

  • Attempt to select an invalid or unconfigured safety function
  • Inconsistent input signals for safety function selection
  • Hardware fault in safety mode selector switches
  • Software error in safety selection logic
  • Parameter mismatch for selected safety function

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the configured safety function parameters (e.g., S-0-xxxx) in the IndraDrive MPx02 against the machine's safety documentation.

  2. 2

    Inspect the wiring and connection integrity of all external safety inputs (e.g., E-STOP, safety gate contacts, mode selector switches) relevant to the selected safety function.

  3. 3

    Monitor the actual status of the safety inputs and internal safety logic via the drive's diagnostic interface to identify discrepancies or incorrect signal states.

  4. 4

    Check the operational status and output signals of any upstream safety-related components (e.g., safety PLC, safety relay, light curtains) that provide input to the drive's safety chain.

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Verified technical data. Last updated: March 2026

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Source: Bosch Rexroth IndraDrive MPx02