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107

Fronius Symo Hybrid Inverter Code 107 — No AC grid detected

Fronius · Solar Inverters

What does 107 mean?

The inverter has detected an absence of the AC grid, causing it to temporarily disconnect. The inverter will resume feeding energy once grid conditions return to normal.

Common Causes

  • Grid power outage
  • Tripped AC circuit breaker
  • Faulty AC grid connection

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check your home's main electrical panel for any tripped circuit breakers connected to the inverter.

  2. 2

    Verify that there is no general power outage in your area.

  3. 3

    If this status code keeps recurring without an apparent grid outage, contact your system fitter.

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 123)Search more codes in this manual