What to do if SolarEdge SE3680H Inverter displays 'String voltage not 0V but lower than number of optimizers'?
- SSandra BeasleySep 14, 2025
If the SolarEdge Inverter displays 'String voltage not 0V but lower than number of optimizers', try the following: * Connect all power optimizers. * Connect the modules to the optimizer inputs. * Check string polarity using a voltmeter and correct if needed.