Communication error between Fronius Symo Hybrid and Fronius Solar Battery

Hva betyr 979 ?

A communication error exists between the Fronius Symo Hybrid inverter and the Fronius Solar Battery. Battery operation is not possible, and grid feed-in resumes. This code is displayed if not in standby mode.

• Loose or damaged communication wiring between the inverter and battery
• Faulty communication interface on either device

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   If the system is not in standby mode, check the communication wiring between the Fronius Symo Hybrid inverter and the Fronius Solar Battery