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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.

458

Error when recording measuring signal

Fronius · Symo Advanced Manual

What does 458 mean?

A fault has occurred in the data acquisition system responsible for recording internal measurement signals within the inverter. This can affect diagnostic capabilities and operational accuracy.

Common Causes

  • Malfunction of an internal sensor or its measurement circuit
  • Corruption of data acquisition software

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