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ErrorLib — Industrial Fault Code Library

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36

User-Defined Fault #2

Vacon · X4

What does 36 mean?

This is a user-configurable fault, indicating a condition defined by the system integrator or user as a critical error. The specific cause depends entirely on the application's programming and external conditions triggering this fault. It requires investigation of the specific machine logic.

Common Causes

  • External digital input (e.g., terminal DI-Y) configured via parameter P6-02 to activate Fault 36, triggered by a specific process event (e.g., low-level sensor, door interlock).
  • Specific internal logic programmed by the user or integrator (e.g., PLC control) that sets a fault bit corresponding to Fault 36 via serial communication.
  • Analog input (e.g., AI-1) signal exceeding a user-defined threshold, triggering the user fault via comparison logic (e.g., P6-03).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Identify the specific parameter (e.g., P6-02) or internal logic that is configured to trigger Fault 36.

  2. 2

    2. Examine the state of the external sensor or input device (e.g., physical switch, analog signal transducer) connected to the identified trigger point.

  3. 3

    3. Verify the wiring integrity of the external signal path from the sensor/device to the drive's input terminal.

  4. 4

    4. Use a multimeter to measure the voltage or current at the drive's input terminal configured for Fault 36 to confirm its state.

  5. 5

    5. Temporarily disable the fault input (e.g., change P6-02 to 0 or disconnect wire from DI-Y) to isolate the external triggering mechanism.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

1System Fault10Restart Lockout (Adv. Code 0)11Ground Fault (Adv. Code 0)
Source: Vacon X4
View Official PDFSearch more codes in this manual