Hi, I have a Quattro 10000. Quattro 48/10000/140-2x100,id 2653 firmware v506. I updated to 508 and it didn't help. I notice v509 is an update for Quattro II that don't connect to grid for no reason. Could it be related?
Its connected in series so it provides all the house services. This morning we had a grid failure likely caused by the high wind. After the first drop out and recovery it didn't reconnect to the grid. Now when I look at the L1 input stats there is a steady 240v and 50.1hz. However the Quattro will not reconnect to the grid. It tries and instantly drops out. If I bypass the Quattro then everything in the house seems to be working ok. I have a solar edge on AC and it starts working fine.
When I went in with the Ve bus there wasn't any reason for it not to connect.
The green lines below are grid voltage. It's now plotting correctly. The red is when the house was using the grid. Since then the Quattro won't resync.