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
Update inverter firmware to the latest version.
- 2
If this status code is displayed all the time, notify a Fronius-trained service engineer.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fronius Symo Advanced Manual