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0203*
Grid voltage is too low (redundant monitoring)
SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
¿Qué significa 0203* ?
The inverter's redundant monitoring system has detected an undervoltage condition on the utility grid. This indicates that the AC voltage has fallen below acceptable limits. The inverter will shut down and monitor the grid for 30 seconds before attempting to reconnect.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check the grid voltage using a multimeter or power quality analyzer.
- 2
Inspect all grid connections for tightness and proper seating.
- 3
Verify the stability of the utility grid.
- 4
Ensure the external fuses are functional and correctly rated.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter