SolarEdge SE9KUS - Page 28

NOTE
Since the inverter is not yet operating, you may measure the string voltage and
verify correct polarity on the DC wires inside the Safety Switch.
For troubleshooting power optimizer operation problems, refer to Power Optimizer
Troubleshooting on page 82.
Chapter 2: Installing the Power Optimizers 27
Three Phase System Installation Guide MAN-01-00527-1.2