Deye F58 BMS Fault – Traced to a Faulty LCD Panel
This was a site roughly 600km from HQ that had been sitting with a constant F58 (BMS communication fault). As a temporary workaround, the system had been set to run …
Error 8 on a Victron System
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 …
Connecting a Wifi Logger on a Deye / Sunsynk Inverter
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 …
BMS Problems on Deye 50kW Inverter – Intermittent F58 Faults
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 …
F14 Fault On Deye / Sunsynk 8kW Inverter
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 …
W03 (Grid Phase Wrong) Fault on 12kW 3 Phase Sunsynk / Deye Inverter
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 …