Fronius Symo Hybrid Inverter Code 516 — Unable to communicate with the data storage unit

What does 516 mean?

A warning message appears on the display, indicating a problem with communication to the data storage unit. This means the inverter might not be able to record operational data.

• Data storage unit connection fault
• Data storage unit malfunction
• Internal communication bus error

Click steps to track your progress.

1. 1

   Acknowledge the status code on the display.

2. 2

   Check the physical connections to the data storage unit (if externally accessible).

3. 3

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