Most string inverters in India carry a standard 5-year product warranty, extendable to 10 or 20 years on many brands. But the warranty only protects you if you understand what it covers — and what can void it.
Product vs performance warranty
- Product warranty covers defects and failures of the inverter itself
- Performance warranty guarantees minimum conversion efficiency over the years
- Extensions usually add to the product warranty, sometimes at extra cost at time of purchase
What typically voids a warranty
- Opening the inverter or breaking the manufacturer's seal
- Repair by an unauthorised party
- Incorrect installation — wrong earthing, undersized cables, unstable grid
- Damage from lightning or surges where surge protection was not provided
- Using the inverter outside its rated conditions
Once the warranty ends
Out-of-warranty is where independent repair makes the biggest difference. Component-level repair of the failed board costs a fraction of a new inverter and gets your plant generating again quickly — the same work is often not offered by the manufacturer's service channel once the unit is out of warranty.
Frequently asked questions
Can an out-of-warranty solar inverter be repaired?
Yes, and it is usually very economical. Component-level repair restores the inverter at a fraction of replacement cost, even for models with no spare parts available.
Need a solar inverter repaired?
Share your inverter brand, model and error code — our technicians will guide you and share an estimate before any repair starts.