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12

Grid Phase Failure

Fronius · Perfect Charging

¿Qué significa 12 ?

This fault indicates an issue with the electrical grid connection, specifically a detected phase failure. This can prevent the battery charger from operating correctly or initiating a charging process, especially in three-phase systems.

Causas comunes

  • Loss of one or more phases in the multi-phase power supply to the charger.
  • Significant voltage imbalance or drop in one or more phases.
  • An issue with the electrical infrastructure supplying power to the charger.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify all incoming phases at the charger's input terminals using a multimeter to confirm voltage presence and balance.

  2. 2

    Inspect the main circuit breaker and associated fuses for the charger's power supply for trips or blown conditions.

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

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