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Fronius · PV inverters · Fronius Symo 3.0–20.0 (three-phase grid inverter, SnapINverter)

STATE 568Incorrect input signal on the multifunction current interface

Name in the manufacturer's documentation (service manual): Incorrect input signal on the multifunction current interface[1]

In plain words (editorial)

The multifunction current interface receives an incorrect input signal. The manual says to acknowledge the code and check the devices connected to that interface.

When to call a service technician: If the code keeps recurring, contact your system installer.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Fronius Symo / Fronius Eco – Operating Instructions (e-Manual HTML), Version 044-17072025 – chapter “Status diagnostics and troubleshooting” (text capture) (e-Manual 4204101909, 044-17072025) , p. 5 official manufacturer document quote verified 568 Incorrect input signal on the multifunction current interface
  2. [2] Fronius Symo / Fronius Eco – Operating Instructions (e-Manual HTML), Version 044-17072025 – chapter “Status diagnostics and troubleshooting” (text capture) (e-Manual 4204101909, 044-17072025) , p. 5 official manufacturer document quote verified Acknowledge status code; check the devices connected to the multifunction current interface
  3. [3] Fronius Symo / Fronius Eco – Operating Instructions (e-Manual HTML), Version 044-17072025 – chapter “Status diagnostics and troubleshooting” (text capture) (e-Manual 4204101909, 044-17072025) , p. 5 official manufacturer document quote verified If this status code keeps recurring, contact your system engineer