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Hello, after a few months of perfect operation, yesterday my JK BMS froze.I turned it off using the button (a long press). Since then, I've been unable to start it, either using the button or an external source between P- and B-.No "beep", no Bluetooth.

After a three-month-old JKBMS broke down, I ordered and received a new one. I used the existing harness to fit the new one and it works fine but: A new parameter has appeared and I have no idea what it is! "Battery OVP(V) and Battery OVPR(V)". I understand OVP and OVPR perfectly, but which...