| Error No. | Explanation | Corrective measures |
| 8703 | External displacement power factor cos φ is invalid. | • Contact the SMA Service Line |
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- Error Code - 204 - Grid voltage too low
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- Error Code - 205 - Phase Drop Out
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- Error Code - 502 - Power frequency low
- Error Code - 503 - Power frequency too high
- Error Code - 504 - Power frequency too low
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