- Error code
- 305
- Manufacturer
- Fronius
1What the error means
Our company specialises in the repair of the FRONIUS ECO 27kW inverter and specifically in resolving error 305.
We have specialised technicians and modern equipment, providing fast diagnosis and effective repair.
Contact us on +30 2310 607032 for immediate technical support and resolution of fault 305 on your inverter.
2What to do
- Note the code and the inverter model (nameplate on the side of the unit).
- Switch off the grid (AC) breaker and switch it on again after 2–3 minutes.
- If the error returns or keeps recurring, do not keep restarting the unit — contact us for a diagnosis.
3Repair by Aineas
You send the inverter to our lab in Thessaloniki. We diagnose it, inform you of the fault and the cost, and the repair starts only after you approve it. Every inverter is tested under simulated operating conditions before delivery.