I have not used the Van for 3 months. I tried to see the state of charge on the app but none of the 4 batteries were visiable. Neither was the Smart BMS. I was able to connect to the BMS once i connected an external charger to one of the batteries. However, there was an error and a lot of alarm beeping saying that the battery voltage was not allowed. (9.45V)
I am still not able to see the victron batteries.
I would be grateful for any advice.
Measure the voltage without the external charger.
I guess the batteries are discharged below 8V.
If that’s the case there is an wiring issue, there is a load directly connected to the batteries without BMS protection.
Please add some more information about your system and maybe some pictures.
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