Fronius Solar Battery active, SOC > 90% and red LED flashing — Battery charging error

What does Red LED flashing SOC > 90% mean?

The Fronius Solar Battery is active and charged to over 90%, but a red LED is flashing, indicating an error with the battery charging process. This suggests a problem preventing proper charge management.

• Battery overcharge protection triggered
• Communication fault with battery management system
• Internal battery charging fault

Click steps to track your progress.

1. 1

   Disconnect the inverter on the DC side.

2. 2

   Isolate the inverter from the grid on the AC side.

3. 3

   Wait 30 minutes, then reconnect the inverter on both the DC and AC sides. If the issue persists, notify Customer Services.