Excellent knowledgeable company which sorted out my Givenergy issues that no one else could sort! Initial remote diagnosis into what unit(s) where faulty which enabled me to confidently source and buy a replacement at a good price and on so doing Solar Tech then got my system up and running remotely within an hour or two. A1 service!
Great experience with STS great communication from Ron, very helpful and knowledgable. Installed me a second Givenergy battery to help take the strain off my original 9.5 that needs refurb due to a weak cell. They secured me an 8.2 arranged install. Levi arrived the whole install was done within 1.5 hours - great tidy job. Worked with me to alter my setup to allow easy removal of my 9.5 when i can get it away for refurb - very happy with their service and its reassuring to know there is a company out there that can help look after my givenergy system
Sts does a extremely great job. Thank you.
Had a problem with my GivEnergy battery which seemed to be a calibration issue. My installer was unable to help so contacted Ron at Solar Tech Support who was immensely helpful. He diagnosed, confirmed and fixed the problem remotely and very speedily. Would thoroughly recommend this company for their knowledge and ability.
Prompt and useful support regarding my Sunsynk system lack of performance. Ronald simplified the technical issues to make them understandable. Many thanks, looking forward to follow up.
Contacted Solar Tech Support in desperation. After explaining the issues I had with my system a diagnosis was made and a solution proposed. Fantastic service, even contacted a manufacturer to arrange replacement parts for me. Great communications, explained all they were doing and what I had to do, clearly and precisly. Followed up to confirm all was ok. Excellent service.
Most SolarEdge faults we see come down to the optimisers. They talk to the inverter over the DC power line in a daisy chain, so one failed connector or optimiser can knock a whole run of panels offline, showing up as N/A in the monitoring portal or a pairing failure in SolarEdge Go. Plenty of those appear right after an automatic firmware update and clear with a 90-second soft reset.
The rest splits into a few camps: HD-Wave inverter failures (the SE3000H to SE6000H units built 2017 to 2020 have a known premature-failure history, covered by the 12-year warranty), systems sat at 0W from an isolation fault or a tripped isolator, and the safety end: a red light or an arc fault that needs isolating, not resetting.
Each guide below works the same way. We start with what SolarEdge Go and the monitoring portal can tell us remotely, sort what can be sorted from there, and only book a visit when the fault is physical. The diagnostic is free, and warranty claims with SolarEdge are handled for you.
Each topic links through to an engineer-led step-by-step guide.
SolarEdge showing Arc Fault Detected? Safety-critical — isolate at the DC and AC switches, do not reset, then get an engineer.
See SolarEdge arc fault detectedSolarEdge HD-Wave inverters (SE3000H–SE6000H) have a known premature-failure history.
See detailsSolarEdge online but stuck at 0W in full sun? The SolarEdge Go codes, DC isolator, optimiser and isolation-fault checks that pinpoint why,…
See SolarEdge not producing powerOptimisers failing to pair, or reading N/A, in SolarEdge Go? Often a firmware update.
See SolarEdge optimiser pairing failedOptimisers greyed out or showing N/A in your SolarEdge portal have stopped talking to the inverter.
See SolarEdge optimiser showing N/AA red light on your SolarEdge inverter — solid means stopped, flashing means recovering, and a grid fault is safe but an arc fault means…
See SolarEdge red lightTell us what's happening with your SolarEdge system. Free remote diagnostic, no-fix-no-fee. Most configuration faults resolved during the 30-minute session.
Due to unprecedented demand we’re currently only carrying out on-site work in Yorkshire, and replies are taking up to 7 days. Remote diagnostics continue for the whole UK as normal.
Every message is read and answered, so please don’t send it twice; that only slows the queue.
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