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
No manual action is required as the inverter will automatically restart feed-in mode after 10 minutes.
- 2
Observe the system for recurring events to rule out an intermittent problem in the PV array.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fronius Primo GEN24 Operating Instructions