Hi new to this my victron mppt 100 30 works fine sometimes in float mode holds a 13.8 when i put appliances on it stays at 13.8 adjusting the wattage to keep it at 13.8 then if i put a appliances off ie unplugged phone charging it cant find the 13.8 just bounces around from 13.4 to 14.2 in float mode but can fit itself if i put for example the fridge on the wattage will fluctuating too from 0 to 120ish all panels and cables been checked any help would be appreciated
