I have a MultiPlus-II 48v/5K and after updating to 3.50~15 it won’t enable the charger even though it indicates scheduled in the inverter. it enables passthrough ok in anticipation to charge however.
switching back to 3.50~13 allows it to return to normal
Equipment:
MultiPlus-II 48/5000/70-95 120V
Cerbo GX
RUiXU lithi2-16 Battery