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302

302 Over-current (DC) - Brief power feed interruption due to DC overcurrent.

Fronius · Primo Solar Inverter

What does 302 mean?

The inverter briefly interrupted its operation due to an overcurrent detected on the DC input side from the solar panels. The inverter will attempt to restart automatically.

Common Causes

  • Excessive current detected on the direct current (DC) input from the PV array.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Wait for the inverter to automatically attempt to rectify the error and restart.

  2. 2

    Observe if the status code clears and normal operation resumes.

  3. 3

    If this status code persists, contact a Fronius-trained service technician.

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.242242 Arc detected - Inverter resuming operation after arc reset.
Source: Fronius Primo Solar Inverter
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