We don’t really specialise in Victron systems where I’m currently working, but I have worked with them quite a bit in the past. One error that I’ve seen more often than I ever expected is the Error 8 – Ground relay test failed. I never properly documented a real-world case of this one, but it’s … Read more
While this isn’t strictly an inverter or fault finding case study post, we have an operation center that monitors a large amount of sites across the country. It’s extremely important for them (along with the SLA’s in place) that these loggers remain online for them to be able to monitor these sites. It’s also extremely … Read more
This one took time. Not because the fix was complicated, but because nothing made sense at first. To make it worse, the site wasn’t accessible to me physically. We have installations across the country and this one was too far out, so everything had to be done remotely. All I had to work with was: … Read more
This one was a unit that was brought in to our workshop with the client believing there was a fault with either the battery or the Deye inverter so both came in for testing as a system. The clients installer (electrician) had tested everything on site for bad connections or blown fuses etc and he … Read more
This was a site I was called out to where a 12kW 3 Phase Sunsynk inverter kept periodically presenting a W03 (or grid phase wrong fault). It would go in to W03 randomly and then clear the error itself after a while. Now normally a W03 is just a phase rotation error and can be … Read more