460
Reference voltage source for the digital signal processor (DSP) is working out of tolerance
Fronius · Symo Advanced Manual
What does 460 mean?
The internal voltage reference used by the Digital Signal Processor (DSP) is unstable or outside its specified operating range. This can lead to inaccurate measurements, unstable control, and overall system malfunction.
Common Causes
- Faulty internal voltage regulator
- Component aging affecting reference voltage stability
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