Solar · Error codes · Fronius International GmbH
1175Fronius International GmbH · Fronius GEN24 / GEN24 Plus (Primo GEN24, Symo GEN24)
1175 on a Fronius International GmbH Fronius GEN24 / GEN24 Plus: Insufficient sunlight / poor weather
Short answer
On a Fronius International GmbH inverter, 1175 means: Insufficient sunlight / poor weather. The inverter keeps running with some functions stopped.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: Insufficient sunlight / poor weather.
Part involved: GEN24 inverter.
When it shows: Insufficient sunlight / poor weather.
Likely causes:
- Resolves automatically when irradiation improves.
Is it safe?
| Does the inverter stop? | Partly |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The inverter keeps running with some functions stopped.
Resetting itself: yes.
Manual reset: Automatic.
What you can check
- Normal at dawn, dusk and in dull weather; from the ground check panels are not covered by snow.
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).
What you might notice
Sources
- Help with the Fronius GEN24 (homeowner status codes) ↗ · Web page retrieved 2026-09-24 · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026