Please go through the standard reset process of inverter:-

 1. Find PV Array DC Isolator Switch near to your inverter and If On Position (Up) then Switch it Off (Down).

 2. Find the Solar Supply Main Switch in the Main Meter Box and if On (Up) Position turn it Off (Down).

 3. Wait for 50 - 60 Seconds.

 4. Switch On (Up) Solar supply Main Switch and PV Array DC Isolator.