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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.

106

Ripple Detected

Fronius · Symo Advanced

What does 106 mean?

This status code indicates that the Fronius Primo GEN24 208-240 inverter has detected excessive ripple in the grid voltage. This issue suggests an instability in the AC grid or a potential measurement problem within the inverter.

Common Causes

  • Significant instability in the AC grid, leading to voltage ripple.
  • A measurement issue within the inverter's AC monitoring circuit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Observe the AC grid for stability, checking for unusual voltage fluctuations or disturbances.

  2. 2

    De-energize the inverter (switch off AC and DC disconnects), wait for 5 minutes, then re-energize to reset. If the message persists, the inverter may require service.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

Related Faults

102AC Voltage Range103AC Frequency Range1030WSD Open
Source: Fronius Symo Advanced
Open Manual (Page 149)Search more codes in this manual