Go to your switchboard and open it. If your solar power inverter is more than 3 metres away from your switchboard, you must locate the switch marked, solar AC isolator. This will be located next to your. . A step by step guide for turning on, shutting down or restarting your inverter safely. Let me further discuss each step in the preceding paragraphs below with more details. Whether you're a solar technician or a homeowner with a solar power system, knowing how to perform these procedures is es.