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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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. 1

    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: April 2026

Related Faults

102AC voltage too high103AC voltage too low105AC frequency too high
Source: Fronius Symo Advanced Manual
Open Manual (Page 43)Search more codes in this manual