ECOWISE Voltage regulater fault UPDATE
UPDATE Repaired under warranty. Once I managed to contact the manufacturer things went well. They emailed me a prepaid shipping label, (I had to buy a shipping box) and shipped via Estafeta to Mexico ...
Forum Discussion
If it's your plug (or the socket it plugs into), you could tell because it would be getting rather (or very) hot in use. A 10V drop at 10A means 100W dissipated by a little pin, which would make it resemble a heavy-duty soldering gun (especially as there isn't great heat dissipation encased inside plastic).
