417

Hardware ID problem

Fronius · Symo Advanced Manual

What does 417 mean?

The inverter has detected an issue with the identification of its internal hardware components. This can prevent proper operation and requires a firmware update to resolve potential mismatches. The inverter attempts to reconnect.

Common Causes

  • Mismatched internal hardware components or PC boards
  • Corruption of hardware identification data
  • Firmware incompatibility after a component replacement

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Update inverter firmware to the latest version.

  2. 2

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

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Source: Fronius Symo Advanced Manual