Before starting operation, per 4.8.

Before starting operation, per 4.8.2.1 or 4.8.2.2Action on fault:For inverters with isolation complying with the leakage current limits for both shock and fire hazards under “Minimum inverter isolation requirements” above, indicate a fault in accordance with 13.9For inverters with isolation not complying with the above minimum leakage current values, indicate a fault in accordance with 13.9, and do not connect to the mains