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Repair Service of Faulty Fronius Solar PV Inverters

Fronius, The Company

Fronius is an Austrian company founded in 1945 and is active in the fields photovoltaics and battery charging technology. It is one the most prestigious (and expensive) brands of solar inverters. The build quality is fantastic and they are some the easiest inverters to repair. Spare parts are available readily to official Fronius Service Partners.  Their range of inverters span from small 1.5kW domestic models to huge 150kW  commercial inverters. As official Fronius Service Partners, Rayotec are trained to repair and service them all.

Fronius IG InverterIs My Fronius Inverter Faulty

If your solar production stops or is significantly lower than expected then it could be that your Fronius inverter is faulty. A PV engineer would need to test the system but some telltale signs are a buzzing noise coming from the inverter, continual restarting of software, blank display or certain error codes.

Replacing the inverter is relatively simple but as new inverters are transformerless we will have to inspect how the inverter is connected to the properties electrical system.

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For Advice or to Book an Engineer


Our Services

Fronius Service partner
Our experienced engineers will conduct a thorough investigation, not just of the inverter but of your whole system to pinpoint where the problem is and get it resolved as quickly as possible.

Sometimes the inverter just can't be fixed. If this is the case & the  inverter is still within it's manufacturers warranty, we will ensure that all the necessary details are available for you to claim back directly from the manufacturers.  If the warranty has expired then we can assess your solar PV system using a Solar Design Program which calculates the best replacement inverter for you by reviewing all kinds of factors including the location of your home and the number and positioning of your panels.  

Why Choose Rayotec

  • Family Company: We are a family company established 30 years ago who care about our customers and employees
  • No Hidden Charges: Transparent Pricing - Each visit includes up to an hours labour which is long enough to fix many common problems.
  • Repair not replace: One of the few solar companies to be trained to repair certain brands of inverters rather than replacing them  
  • Accreditation: We are accredited NICEIC "Approved Contractors", the highest electrical qualifications a company can get. 
  • Experienced: We have installed and serviced thousands of systems over the last 30 years  
  • Great Value: We have local engineers dotted around the South East and group call outs together to lower costs  
  • Trustworthy: Rayotec have been endorsed by "WHICH?" the UK's largest independent consumer organisation

Where We Cover

By having experienced, local engineers located in a number of areas around the South of East England, we can provide a top quality, expert service whilst keeping our pricing very competitive.

Our main office is based in Middlesex and we have experienced engineers based around the South East of England . Our Solar PV engineers cover: Middlesex, Surrey, Berkshire, Hampshire, Sussex, Kent and the Greater London Area.

         Which Trusted Traders

Our membership of MCS and RECC only applies to our renewable products