419
Unique ID conflict
Fronius · Symo Advanced Manual
What does 419 mean?
A conflict has been detected in the unique identification numbers of internal components within the inverter. This can indicate an internal hardware issue or misconfiguration.
Common Causes
- Internal hardware component identification conflict
- Data corruption related to unique IDs
Repair Steps & Checklist
Click steps to track your progress.
- 1
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