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501

Temperature Sensor Module 2 (Bottom) Defective

Fronius · Perfect Charging

¿Qué significa 501 ?

The temperature sensor associated with primary circuit module 2, typically located at the bottom section of the power stage, is detected as defective. This compromises critical temperature monitoring within the charger's input power conversion stage.

Causas comunes

  • Internal failure of the temperature sensor element itself.
  • Physical damage to the sensor or its wiring connections.
  • Disconnection of the sensor from the primary circuit board's input terminals.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify the integrity of the wiring connections leading to temperature sensor module 2.

  2. 2

    Measure the resistance of the sensor across its terminals and compare it against specified values for ambient temperature.

  3. 3

    Replace temperature sensor module 2 if it is confirmed defective or damaged.

Ver todos los códigos en este manual (61)
Datos técnicos verificados. Última actualización: March 2026

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