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458

Fronius Symo Hybrid Inverter Code 458 — Error when recording measuring signal

Fronius · Solar Inverters

What does 458 mean?

The inverter has encountered an error while attempting to record a measuring signal. As a result, the inverter is not feeding any energy into the grid.

Common Causes

  • Faulty sensor or measurement circuit
  • Internal data acquisition error
  • Software malfunction

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a full AC and DC power cycle of the inverter: Disconnect both AC and DC power, wait 5 minutes, then reconnect.

  2. 2

    Observe the inverter to see if the error clears and energy feeding resumes.

  3. 3

    If the 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

1Error 1 (Binary 0001) — Hardware fault10Error 10 (Binary 1010) — General fieldbus error102Fronius Symo Hybrid Inverter Code 102 — AC voltage too high
Source: Fronius Solar Inverters
Open Manual (Page 127)Search more codes in this manual