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Field note · Case study · SolarEdge · LG Chem · Jun 2026

A SolarEdge production fault, a warranty swap and a wall worth admiring

A decade-old premium SolarEdge and LG Chem system threw a production fault on one inverter. We arranged the warranty replacement, swapped the faulty unit, and reconfigured the newer inverter to talk to the existing kit — back up and running in a few hours.
  • Real customer fault
  • Warranty replacement arranged
  • Re-commissioned on site
SolarEdge showing a production fault?

A production fault usually means one inverter, not the whole system — and SolarEdge inverters are often still under warranty years later. We check the warranty, arrange the replacement, and handle the swap and re-commissioning.

Ask us to take a lookAll field notes

Ron want out of is way to help, nothing was to much. He was very thorough in what he did Very knowledgeable I would highly recommend Ron and his company He did a fantastic job for me. if you have any problems, he'll do his best to help you out and resolve your problem. I wouldn't hesitate to recommend them

Dennis Brown · May 2026 Trustpilot

A really big thank you to Ron and his team, he has vast amounts of knowledge and got my system back up and running, also good to get on with. I was absolutely lost as to know what to do, no help from installer and somehow came across Ron and am I glad I did. I would definitely definitely recommend him to anyone who has faults with there solar system, any make I would say. Thanks again Ron a pleasure meeting you.

D R · Jun 2026 Google

Wow!!! I have a Givenergy system. The battery stopped charging and depleted fully. Obviously Givenergy went into administration, so I was working with the reseller / installer to get it fixed. They told me they couldn't resolve it and the best they could do was offer me a replAcement at cost, so basically having to buy a new system. I happened to come across STS when searching for how to fix it myself. Ronald has been a god send, within 2 days all is working perfectly and set up correctly. When it comes to experts. He truly is the expert. If you have issues with your Givenergy system and don't know where to go for good help, give him call. 07944 877329. Thanks Ronald, regards Neil W

Neil · Jul 2026 Trustpilot

Called back within a day and gave good advice.

Rob and Sue Dempster · Jun 2026 Google

Within an hour they were online and after less than another hour had it all sorted. Good communication throughout.

Philip Gerrish · Nov 2026 Google

Ronald tried to help solve a fault with communications between battery and inverter. Whilst in the end a hardware fault was diagnosed and not possible to fix remotely his attempt to fix and guide me through steps to fault find were appreciated. He was available at a time convenient to my availability. Great service for anyone requiring independant tech support for their solar or battery system.

Ben Charlton · Jul 2026 Google

Last updated

A simple one — but one worth talking about. A customer got in touch with a SolarEdge system showing a production fault. The inverter was still under warranty, so the fix was straightforward: arrange the replacement, get it sent to site, and swap it over. Then we turned up to a wall worth admiring.

The enquiry was about as clean as they come: a SolarEdge system flagging a production fault. No drama — the inverter was still inside its warranty, so we sorted the warranty replacement, had it shipped to site, and quoted to come and carry out the swap. The customer accepted, and we booked it in.

A wall worth admiring

It’s not every day you walk into a plant room and find a full wall of SolarEdge inverters and LG Chem batteries. If you’d bought a solar system ten years ago and said “give me the best,” this is exactly what you’d have been given. A decade on, it’s still premium kit — and still earning its keep.

A garage plant room with a wall of SolarEdge inverters and two LG Chem battery units mounted on a block wall, alongside the consumer unit, isolators and meter — a premium solar-plus-storage system installed about ten years ago.
The wall: SolarEdge inverters and LG Chem batteries, installed around a decade ago. Buy quality and it lasts — one inverter aside, the rest was still healthy and stayed exactly where it was.

Not quite plug-and-play

Here’s where a “simple inverter swap” earns its fee. Ten years on, the exact original inverter is long discontinued, so the warranty replacement SolarEdge supplies is the current-generation equivalent — a different unit to the one coming off the wall. The newer inverter wires up differently and communicates differently, and this kind of older equipment is rare enough that there’s no muscle-memory to fall back on.

So it took some communications re-wiring, a fair bit of head-scratching, and — credit where it’s due — a hand from a friend of mine who works at SolarEdge, without whom I think we’d still be stood in that garage scratching our heads now. Between us we got the new inverter talking to the existing power optimisers and the rest of the system the way it needed to.

Back up and running

A few hours later the customer was re-commissioned and back online, with a routine battery firmware update scheduled to keep everything current. Only the one faulty inverter was replaced — the other inverter and both LG Chem batteries were perfectly healthy and stayed put. And with that, the customer was back to enjoying the benefit of their free electricity.

The takeaway

Nothing complicated about this one — it really was just an inverter swap. But two things are worth saying. First: a production fault on a SolarEdge system usually means one inverter, not a write-off, and it’s very often still under warranty years later — so check before you let anyone sell you a whole new system. Second: buy quality and it lasts. A decade on, that SolarEdge and LG Chem wall is still doing exactly what it was bought to do — it just needed the right person to swap one box and make the new kit talk to the old.

Field note by Ron Vitova, Solar Tech Support. Customer and location withheld.

FAQ

Frequently asked questions

Almost never. A production fault usually points to a single inverter, not the whole system — the panels, the power optimisers and the battery are typically fine. On a SolarEdge system the faulty inverter is often still under warranty, which means a replacement unit at no hardware cost; you just need someone to arrange it and fit it.
SolarEdge inverters carry a 12-year standard warranty, which can be extended to 20 or 25 years, and the power optimisers are covered for 25 years. That means a fault on a system fitted ten years ago is very often still a warranty claim — well worth checking before anyone talks you into replacing it.
Yes, but it needs setting up properly. A decade on, the exact original inverter is no longer made, so SolarEdge supplies the current-generation equivalent. The newer unit's wiring and communications differ from the old one, so it has to be re-wired and reconfigured to talk to your existing power optimisers and battery, then re-commissioned. Done correctly, the system runs exactly as it did before.
Yes. We diagnose older premium systems, arrange manufacturer warranty replacements where they apply, and handle the swap and re-commissioning — including the awkward bit where newer replacement hardware has to be made to work with the kit that's already on the wall.

SolarEdge production fault? Let’s take a look before you replace anything.

Tell me what your inverter is showing and roughly when the system was fitted. A SolarEdge fault is usually one inverter — often still under warranty — and we can arrange the replacement and swap it over.

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