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7901

Reverse current has occurred in PV array

SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter

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Reverse current has been detected in the PV array. This condition can damage the PV modules or the inverter. The inverter will shut down for 1 minute and reset automatically on day change.

Vanlige årsaker

  • Faulty PV modules.
  • Shading or mismatch conditions causing reverse bias in certain modules.
  • Wiring errors.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Identify and isolate the affected PV string or modules.

  2. 2

    Check for any shading issues on the PV array.

  3. 3

    Contact the SMA Service Line for further diagnosis.

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Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

Kilde: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter