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38.783

Internal Fault: Parameter value out of limits

Danfoss · VLT HVAC Drive FC 102

¿Qué significa 38.783 ?

An internal parameter's stored value has fallen outside its predefined minimum or maximum allowable range. This can be caused by data corruption, an incorrect parameter write, or a software anomaly, leading to unexpected drive behavior or shutdown.

Causas comunes

  • Data corruption in the drive's non-volatile memory storing parameter values.
  • A firmware bug that attempts to write or read a parameter with an invalid value.
  • Manual attempt to set a parameter value outside its predefined min/max range via LCP or fieldbus (though usually prevented).
  • Faulty control board memory module or processing unit allowing invalid data states.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    1. Cycle power to the frequency converter to force a re-initialization of internal parameter registers.

  2. 2

    2. Perform a parameter initialization (P14-22 set to '2') to revert all parameters to factory defaults.

  3. 3

    3. Reload a known good parameter backup from a saved configuration file or a different drive.

  4. 4

    4. Update the drive's firmware to the latest available version, as this can resolve known parameter handling bugs.

Ver todos los códigos en este manual (75)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Danfoss VLT HVAC Drive FC 102