244

ArcDetected

Fronius · Primo GEN24 Operating Instructions

What does 244 mean?

An arc has been detected on the PV system. This code indicates a transient or minor arcing event that does not require immediate manual intervention. The feed-in mode will automatically restart after 10 minutes.

Common Causes

  • Temporary arcing event in the PV system that has self-corrected.
  • Minor electrical disturbance mimicking an arc.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No manual action is required as the inverter will automatically restart feed-in mode after 10 minutes.

  2. 2

    Observe the system for recurring events to rule out an intermittent problem in the PV array.

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Verified technical data. Last updated: March 2026

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Source: Fronius Primo GEN24 Operating Instructions