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241

241 Arc detected - Inverter disconnected due to a confirmed arc.

Fronius · Primo Solar Inverter

What does 241 mean?

This code is displayed directly after code 240, indicating a confirmed arc detection. The inverter disconnects from the grid for safety reasons. You must check the PV system for damage before resetting.

Common Causes

  • A significant electrical arc has been detected within the PV system, leading to a safety shutdown.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Visually inspect the entire photovoltaic (PV) system for any signs of damage.

  2. 2

    Once confident the system is safe, press the "Enter" key on the inverter to reset the status code.

  3. 3

    Monitor the inverter for the recurrence of this status code.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

240240 Arc detected - Brief detection of an electrical arc.242242 Arc detected - Inverter resuming operation after arc reset.245245 Arc detector self test failed - Safety system unable to test itself.
Source: Fronius Primo Solar Inverter
Open Manual (Page 44)Search more codes in this manual