Fronius Symo Hybrid Inverter Code 106 — AC frequency too low

What does 106 mean?

The inverter has detected that the AC grid frequency is too low, causing it to temporarily disconnect from the grid. The inverter will resume feeding energy once grid conditions return to normal.

• Low frequency from the public grid
• Grid instability or fluctuations
• Faulty grid connection

Click steps to track your progress.

1. 1

   Observe if the inverter resumes feeding energy after a short period, as grid conditions may normalize.

2. 2

   Check the grid connections to the inverter for any loose wiring or faulty contacts.

3. 3

   If this status code keeps recurring, contact your system fitter to investigate the grid connection and local grid conditions.