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203

Overcurrent

Fronius · Symo Advanced

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This status code indicates that an overcurrent condition has been detected on the DC input of the Fronius Primo GEN24 208-240 inverter. This typically suggests a short circuit within the solar module strings or other problems with the PV array, or potentially an internal defect in the inverter.

Vanlige årsaker

  • A short circuit in one or more solar module strings connected to the inverter.
  • Mismatch or other configuration issues within the solar module strings leading to excessive current.
  • An internal defect within the inverter's DC input current sensing or protection circuit.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Check the solar module strings for correct configuration and functionality, looking for potential short circuits or incorrect wiring.

  2. 2

    Measure the DC input current at the inverter's DC input terminals and compare it against the inverter's maximum input current rating.

  3. 3

    Isolate individual strings to identify the source of the overcurrent.

  4. 4

    De-energize the inverter (switch off AC and DC disconnects), wait for 5 minutes, then re-energize to reset. If the message persists, the inverter may require service.

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Verifisert teknisk data. Sist oppdatert: March 2026

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