Photovoltaic (PV)
Inverter Repair
SMA Sunny Boy/Tripower · Fronius Symo/Primo · Huawei SUN2000 · SolarEdge · GoodWe
The PV inverter is the key to a functioning photovoltaic installation. A damaged inverter means energy and revenue loss. We repair string and central inverters with a 12-month warranty.
Diagnostics included in repair
No-obligation quote
12-month warranty
Courier pickup from all of Europe
Post-repair testing
PV inverter service — full range of repairs
IGBT / MOSFET modules
Power transistor replacement in the DC→AC inverter section. Insulation and overcurrent fault elimination.
DC-link capacitors
Electrolytic and film capacitor replacement after ESR increase and capacitance drop.
DSP control boards
Control board repair, MPPT circuits, RS485/WiFi/Ethernet communication.
Protection circuits
Varistor, galvanic isolation circuit and surge protection device (SPD) repair.
Fans and cooling
Fan replacement, heatsink cleaning, thermal compound replacement.
Enclosures and MC4 connectors
Damaged MC4 connector repair, IP65 seal replacement, enclosure refurbishment.
PV inverter repair at EFIXLAB
- All brands — SMA, Fronius, Huawei, SolarEdge, GoodWe, Growatt, Sofar and more.
- Out-of-warranty devices — we repair PV inverters after manufacturer warranty expiry.
- Load testing — PV panel operating condition simulation before return.
- Fast turnaround — diagnostics up to 5 business days, repair 5–7 business days (after receiving necessary components). As a rule — time may be extended depending on component availability and repair complexity; deadlines agreed individually.
- 12-month warranty — on all work performed.
- Courier shipping — pickup and delivery from all of Europe.
PV inverter repair: from request to pickup
Request
online or by phone
Ship
by courier
Diagnostics
included in repair
Quote
& approval
Repair
& testing
Return
with warranty
Request PV inverter repair — no-obligation quote
Provide the PV inverter model, power rating and fault/error description.
Dziękujemy! We have received your request — we will get back to you shortly with a quote and timeline.Frequently asked questions
Repair cost is typically 20–50% of a new device price.
Yes — we repair Huawei SUN2000 of various power ratings.
Diagnostics: up to 5 business days. Repair: 5–7 business days (after receiving necessary components). As a rule — repair time may be significantly extended depending on component availability and repair complexity. Deadlines are agreed individually with the client.
By courier to our Warsaw address. Secure packaging required.
