SolarEdge › power optimizers
Inverter locks out, string below minimum optimizer count
reported in the field
Symptoms
- A system underperforms or stops working altogether with no hardware fault found
- The string has fewer optimizers than the required minimum (seven S440 optimizers where eight are needed in the resolved case), or was designed exactly at the minimum and one optimizer or panel has since failed
The cause and the fix
Subscribers see the cause, the fixes that worked and who did them, part numbers and recent prices when a part is involved, and the field reports behind this entry.