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242

242 Arc detected - Inverter resuming operation after arc reset.

Fronius · Primo Solar Inverter

What does 242 mean?

This status code is displayed after you have reset status code 241. The inverter is now attempting to resume feeding power into the grid.

Common Causes

  • An arc was detected and reset, and the inverter is now attempting to restart grid power feed.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the "Enter" key on the inverter to confirm the status code and allow the inverter to resume operation.

  2. 2

    Observe if the inverter successfully resumes grid power feed.

  3. 3

    If arc detection codes (240, 241, 242) keep appearing, contact your system installer for a thorough inspection.

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.241241 Arc detected - Inverter disconnected due to a confirmed arc.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