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1024Fronius International GmbH · Fronius GEN24 / GEN24 Plus (Primo GEN24, Symo GEN24)

1024 on a Fronius International GmbH Fronius GEN24 / GEN24 Plus: A configuration change requires a restart

Short answer

On a Fronius International GmbH inverter, 1024 means: A configuration change requires a restart. The inverter keeps running with some functions stopped.

Reviewed 24 September 2026 · 1 source

What it means

The manual says: A configuration change requires a restart.

Part involved: GEN24 inverter.

When it shows: A configuration change requires a restart.

Likely causes:

  • Occurs automatically; no intervention.

Is it safe?

Does the inverter stop?Partly
SeverityInformation only
Engineer needed?No

The inverter keeps running with some functions stopped.

Resetting itself: yes.

Manual reset: Automatic.

What you can check

  • Check Service Messages in Fronius Solar.web or the inverter's web interface (System > Event Log) and note the code.

What the engineer will check

Who to ask for: Fronius-trained installer.

Certification: Qualified electrician (BS 7671; MCS-certified PV installer for work on the PV array/DC side).

Sources

A code explains what the controller detected, not a confirmed root cause.

Reviewed: 24 September 2026