No communication possible with the storage unit

What does 516 mean?

Communication has been lost with the connected energy storage unit. This prevents the inverter from coordinating with the battery system for charging or discharging.

• Loose or damaged communication cable to the storage unit
• Malfunction of the storage unit's communication interface
• Software incompatibility between inverter and storage unit

Click steps to track your progress.

1. 1

   If this status code is displayed all the time, notify a Fronius-trained service engineer.