July 16, 20197 yr Hallo everyone My complete Inverter/Battery system unexpectedly went dead this morning, but restored fully about an hour later!? Points maybe to note: The switch of the inverter feels loose/worn. The BMV battery monitor also went dead. When the system came back on the batteries were still full at 13.3V each Overview on the system: 1x 3kw Devel Sinewave Inverter/Charger24V (2years in use) 2x 12V Narada 200ah Batteries (1month in use) 1x Victron BMV 702 Battery monitor 1x Battery ballancer HA02 What could possibly be the issue? Hopefully someone can give some light on where to start looking? Thank you Stephan
July 16, 20197 yr The BMV is powered by the batteries, so if that went dead the issue could be at the battery terminals. Loose connection or corrosion? I'm assuming the BMV is connected there. Take a photo of your setup, maybe someone can spot the problem.
July 16, 20197 yr Author 3 minutes ago, DeepBass9 said: The BMV is powered by the batteries, so if that went dead the issue could be at the battery terminals. Loose connection or corrosion? I'm assuming the BMV is connected there. Take a photo of your setup, maybe someone can spot the problem. Yes, I was thinking the same and that it could be a wiring issue. I will go through the wiring today and check back👍
July 16, 20197 yr My BMV also died some time ago, and cleaning of the terminals on the connector on the shunt was the culprit. But that's just one thing, it should not cause a shutdown, unless the corrosion is on the battery terminal/shunt connection itself.
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