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482

482 Commissioning not complete - Inverter setup is unfinished.

Fronius · Primo Solar Inverter

What does 482 mean?

The inverter's commissioning process has not been completed, which prevents it from feeding energy into the grid. This needs to be finished before operation.

Common Causes

  • Commissioning process was interrupted, skipped, or not fully executed after installation.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform an AC reset by switching the automatic circuit breaker for the inverter off and then on again.

  2. 2

    Carry out the full commissioning process for the inverter as per the installation guide.

  3. 3

    If you are unsure how to complete commissioning, contact your system installer.

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
Open Manual (Page 47)Search more codes in this manual