SMA Manual Recommendation
| Error No. | Explanation | Corrective measures |
| 4003 | Reverse currents detected in the PV array or DC connection polarity is reversed. | ![]() |
SMA Manual Recommendation
| Error No. | Explanation | Corrective measures |
| 4003 | Reverse currents detected in the PV array or DC connection polarity is reversed. | ![]() |
