What is the manual shutdown procedure for a solar PV system?

The manual shutdown procedure can be a useful tool for solving errors and glitches that you’re experiencing with your solar PV power system. Follow the guide below to power down your system (and switch it back on again).

How do you disconnect a solar PV inverter?

Within the entire system, the AC side can be disconnected via the NFB (no-fuse breaker) on the AC distribution panel. The DC side can be disconnected either via the DC switch on the solar PV inverter or through the DC junction box, which provides two disconnection methods: a DC switch and a DC fuse.

How do I shut down my inverter?

Recommended Shutdown Procedure: Use the shutdown feature on the machine or through the monitoring system to perform the shutdown operation. Shutting down the inverter will prevent backflow to the grid, ensuring grid stability and personnel safety.

How do you turn off a solar inverter?

Locate the AC ISOLATOR main switch and turn the switch to the OFF position. Alternatively, go to your fuse board, locate the PV ARRAY main switch, and flick to the OFF position. At the inverter, locate the DC ISOLATOR and turn to the OFF position. If there is a battery fitted, locate the 2nd DC ISOLATOR, and turn to the OFF position.

How do you shut down a solar PV system?

Properly shutting down a solar PV system is a common concern among users. Within the entire system, the AC side can be disconnected via the NFB (no-fuse breaker) on the AC distribution panel.

How do I re-start my solar PV system?

Your solar PV system should now be completely switched off. All lights and screen displays will be dead. Keep the system off for a minimum of five minutes. To re-start your system, follow this guide in reverse order. ie. DC isolator on first, followed by AC isolator, followed by your solar supply main switch.